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1195 vulnerabilities by gnu
CVE-2026-4046 (GCVE-0-2026-4046)
Vulnerability from cvelistv5 – Published: 2026-03-30 17:16 – Updated: 2026-03-30 17:37
VLAI?
Title
iconv crash due to assertion failure with untrusted input
Summary
The iconv() function in the GNU C Library versions 2.43 and earlier may crash due to an assertion failure when converting inputs from the IBM1390 or IBM1399 character sets, which may be used to remotely crash an application.
This vulnerability can be trivially mitigated by removing the IBM1390 and IBM1399 character sets from systems that do not need them.
Severity ?
7.5 (High)
CWE
- CWE-617 - Reachable assertion
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| The GNU C Library | glibc |
Affected:
2.3.3 , < *
(custom)
|
Date Public ?
2026-03-12 09:02
Credits
Rocket Ma
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CVE-2026-4647 (GCVE-0-2026-4647)
Vulnerability from cvelistv5 – Published: 2026-03-23 13:37 – Updated: 2026-04-09 16:33
VLAI?
Title
Binutils: out-of-bounds read in xcoff relocation processing in gnu binutils bfd library
Summary
A flaw was found in the GNU Binutils BFD library, a widely used component for handling binary files such as object files and executables. The issue occurs when processing specially crafted XCOFF object files, where a relocation type value is not properly validated before being used. This can cause the program to read memory outside of intended bounds. As a result, affected tools may crash or expose unintended memory contents, leading to denial-of-service or limited information disclosure risks.
Severity ?
6.1 (Medium)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Date Public ?
2026-03-23 00:00
Credits
Red Hat would like to thank Chen Zhengzhe (Hangzhou Dianzi University) for reporting this issue.
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CVE-2026-4438 (GCVE-0-2026-4438)
Vulnerability from cvelistv5 – Published: 2026-03-20 19:59 – Updated: 2026-03-23 15:06
VLAI?
Title
gethostbyaddr and gethostbyaddr_r return invalid DNS hostnames
Summary
Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification.
Severity ?
5.4 (Medium)
CWE
- CWE-20 - Improper input validation
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| The GNU C Library | glibc |
Affected:
2.34 , ≤ 2.43
(custom)
|
Date Public ?
2026-03-20 22:17
Credits
Antonio Maini (0rbitingZer0) - 0rbitingZer0@proton.me
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CVE-2026-4437 (GCVE-0-2026-4437)
Vulnerability from cvelistv5 – Published: 2026-03-20 19:59 – Updated: 2026-03-23 15:13
VLAI?
Title
gethostbyaddr and gethostbyaddr_r may incorrectly handle DNS response
Summary
Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS server, result in a violation of the DNS specification that causes the application to treat a non-answer section of the DNS response as a valid answer.
Severity ?
7.5 (High)
CWE
- CWE-125 - Out-of-bounds read
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| The GNU C Library | glibc |
Affected:
2.34 , ≤ 2.43
(custom)
|
Date Public ?
2026-03-20 22:20
Credits
Antonio Maini (0rbitingZer0) - 0rbitingZer0@proton.me
Kevin Farrell
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CVE-2025-69720 (GCVE-0-2025-69720)
Vulnerability from cvelistv5 – Published: 2026-03-19 00:00 – Updated: 2026-03-26 15:08
VLAI?
Summary
The infocmp command-line tool in ncurses before 6.5-20251213 has a stack-based buffer overflow in analyze_string in progs/infocmp.c.
Severity ?
7.3 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
| URL | Tags | |
|---|---|---|
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CVE-2026-3441 (GCVE-0-2026-3441)
Vulnerability from cvelistv5 – Published: 2026-03-15 00:19 – Updated: 2026-04-08 13:24
VLAI?
Title
Binutils: gnu binutils: information disclosure via specially crafted xcoff object file
Summary
A flaw was found in GNU Binutils. This heap-based buffer overflow vulnerability, specifically an out-of-bounds read in the bfd linker, allows an attacker to gain access to sensitive information. By convincing a user to process a specially crafted XCOFF object file, an attacker can trigger this flaw, potentially leading to information disclosure or an application level denial of service.
Severity ?
6.1 (Medium)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
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| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Date Public ?
2026-03-02 11:11
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CVE-2026-3442 (GCVE-0-2026-3442)
Vulnerability from cvelistv5 – Published: 2026-03-15 00:19 – Updated: 2026-04-08 13:24
VLAI?
Title
Binutils: gnu binutils: information disclosure or denial of service via out-of-bounds read in bfd linker
Summary
A flaw was found in GNU Binutils. This vulnerability, a heap-based buffer overflow, specifically an out-of-bounds read, exists in the bfd linker component. An attacker could exploit this by convincing a user to process a specially crafted malicious XCOFF object file. Successful exploitation may lead to the disclosure of sensitive information or cause the application to crash, resulting in an application level denial of service.
Severity ?
6.1 (Medium)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Date Public ?
2026-03-02 11:11
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CVE-2026-32772 (GCVE-0-2026-32772)
Vulnerability from cvelistv5 – Published: 2026-03-13 21:01 – Updated: 2026-03-16 17:02
VLAI?
Summary
telnet in GNU inetutils through 2.7 allows servers to read arbitrary environment variables from clients via NEW_ENVIRON SEND USERVAR.
Severity ?
CWE
- CWE-669 - Incorrect Resource Transfer Between Spheres
Assigner
References
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CVE-2026-32746 (GCVE-0-2026-32746)
Vulnerability from cvelistv5 – Published: 2026-03-13 17:15 – Updated: 2026-03-23 13:13
VLAI?
Summary
telnetd in GNU inetutils through 2.7 allows an out-of-bounds write in the LINEMODE SLC (Set Local Characters) suboption handler because add_slc does not check whether the buffer is full.
Severity ?
9.8 (Critical)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
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CVE-2026-3904 (GCVE-0-2026-3904)
Vulnerability from cvelistv5 – Published: 2026-03-11 13:19 – Updated: 2026-03-11 15:56
VLAI?
Summary
Calling NSS-backed functions that support caching via nscd may call the
nscd client side code and in the GNU C Library version 2.36 under high
load on x86_64 systems, the client may call memcmp on inputs that are
concurrently modified by other processes or threads and crash.
The nscd client in the GNU C Library uses the memcmp function with
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client in that branch vulnerable as well. Subsequently, the fix for
this issue was backported to all vulnerable branches in the GNU C
Library repository.
It is advised that distributions that may have cherry-picked the memcpy
SSE2 optimization in their copy of the GNU C Library, also apply the fix
to avoid the potential crash in the nscd client.
Severity ?
6.2 (Medium)
CWE
- CWE-366 - Race condition within a thread
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| The GNU C Library | glibc |
Affected:
2.35 , < 2.37
(custom)
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CVE-2025-69647 (GCVE-0-2025-69647)
Vulnerability from cvelistv5 – Published: 2026-03-09 00:00 – Updated: 2026-03-10 15:08
VLAI?
Summary
GNU Binutils thru 2.45.1 readelf contains a denial-of-service vulnerability when processing a crafted binary with malformed DWARF loclists data. A logic flaw in the DWARF parsing code can cause readelf to repeatedly print the same table output without making forward progress, resulting in an unbounded output loop that never terminates unless externally interrupted. A local attacker can trigger this behavior by supplying a malicious input file, causing excessive CPU and I/O usage and preventing readelf from completing its analysis.
Severity ?
6.2 (Medium)
CWE
- n/a
Assigner
References
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CVE-2025-69648 (GCVE-0-2025-69648)
Vulnerability from cvelistv5 – Published: 2026-03-09 00:00 – Updated: 2026-03-10 13:34
VLAI?
Summary
GNU Binutils thru 2.45.1 readelf contains a denial-of-service vulnerability when processing a crafted binary with malformed DWARF .debug_rnglists data. A logic flaw in the DWARF parsing path causes readelf to repeatedly print the same warning message without making forward progress, resulting in a non-terminating output loop that requires manual interruption. No evidence of memory corruption or code execution was observed.
Severity ?
6.2 (Medium)
CWE
- n/a
Assigner
References
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CVE-2025-69650 (GCVE-0-2025-69650)
Vulnerability from cvelistv5 – Published: 2026-03-06 00:00 – Updated: 2026-03-19 12:36 Disputed
VLAI?
Summary
GNU Binutils thru 2.46 readelf contains a double free vulnerability when processing a crafted ELF binary with malformed relocation data. During GOT relocation handling, dump_relocations may return early without initializing the all_relocations array. As a result, process_got_section_contents() may pass an uninitialized r_symbol pointer to free(), leading to a double free and terminating the program with SIGABRT. No evidence of exploitable memory corruption or code execution was observed; the impact is limited to denial of service. NOTE: this is disputed by third parties because the observed behavior occurred only in pre-release code and did not affect any tagged version.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
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CVE-2025-69645 (GCVE-0-2025-69645)
Vulnerability from cvelistv5 – Published: 2026-03-06 00:00 – Updated: 2026-03-10 02:33
VLAI?
Summary
Binutils objdump contains a denial-of-service vulnerability when processing a crafted binary with malformed DWARF debug information. A logic error in the handling of DWARF compilation units can result in an invalid offset_size value being used inside byte_get_little_endian, leading to an abort (SIGABRT). The issue was observed in binutils 2.44. A local attacker can trigger the crash by supplying a malicious input file.
Severity ?
5.5 (Medium)
CWE
- n/a
Assigner
References
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CVE-2025-69649 (GCVE-0-2025-69649)
Vulnerability from cvelistv5 – Published: 2026-03-06 00:00 – Updated: 2026-03-10 02:43
VLAI?
Summary
GNU Binutils thru 2.46 readelf contains a null pointer dereference vulnerability when processing a crafted ELF binary with malformed header fields. During relocation processing, an invalid or null section pointer may be passed into display_relocations(), resulting in a segmentation fault (SIGSEGV) and abrupt termination. No evidence of memory corruption beyond the null pointer dereference, nor any possibility of code execution, was observed.
Severity ?
5.5 (Medium)
CWE
- n/a
Assigner
References
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CVE-2025-69646 (GCVE-0-2025-69646)
Vulnerability from cvelistv5 – Published: 2026-03-06 00:00 – Updated: 2026-03-10 02:36
VLAI?
Summary
Binutils objdump contains a denial-of-service vulnerability when processing a crafted binary with malformed DWARF debug_rnglists data. A logic error in the handling of the debug_rnglists header can cause objdump to repeatedly print the same warning message and fail to terminate, resulting in an unbounded logging loop until the process is interrupted. The issue was observed in binutils 2.44. A local attacker can exploit this vulnerability by supplying a malicious input file, leading to excessive CPU and I/O usage and preventing completion of the objdump analysis.
Severity ?
5.5 (Medium)
CWE
- n/a
Assigner
References
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CVE-2025-69652 (GCVE-0-2025-69652)
Vulnerability from cvelistv5 – Published: 2026-03-06 00:00 – Updated: 2026-03-09 16:34
VLAI?
Summary
GNU Binutils thru 2.46 readelf contains a vulnerability that leads to an abort (SIGABRT) when processing a crafted ELF binary with malformed DWARF abbrev or debug information. Due to incomplete state cleanup in process_debug_info(), an invalid debug_info_p state may propagate into DWARF attribute parsing routines. When certain malformed attributes result in an unexpected data length of zero, byte_get_little_endian() triggers a fatal abort. No evidence of memory corruption or code execution was observed; the impact is limited to denial of service.
Severity ?
6.2 (Medium)
CWE
- n/a
Assigner
References
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CVE-2025-69644 (GCVE-0-2025-69644)
Vulnerability from cvelistv5 – Published: 2026-03-06 00:00 – Updated: 2026-03-10 02:31
VLAI?
Summary
An issue was discovered in Binutils before 2.46. The objdump contains a denial-of-service vulnerability when processing a crafted binary with malformed debug information. A logic flaw in the handling of DWARF location list headers can cause objdump to enter an unbounded loop and produce endless output until manually interrupted. This issue affects versions prior to the upstream fix and allows a local attacker to cause excessive resource consumption by supplying a malicious input file.
Severity ?
5 (Medium)
CWE
- n/a
Assigner
References
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CVE-2025-69651 (GCVE-0-2025-69651)
Vulnerability from cvelistv5 – Published: 2026-03-06 00:00 – Updated: 2026-03-19 12:33 Disputed
VLAI?
Summary
GNU Binutils thru 2.46 readelf contains a vulnerability that leads to an invalid pointer free when processing a crafted ELF binary with malformed relocation or symbol data. If dump_relocations returns early due to parsing errors, the internal all_relocations array may remain partially uninitialized. Later, process_got_section_contents() may attempt to free an invalid r_symbol pointer, triggering memory corruption checks in glibc and causing the program to terminate with SIGABRT. No evidence of further memory corruption or code execution was observed; the impact is limited to denial of service. NOTE: this is disputed by third parties because the observed behavior occurred only in pre-release code and did not affect any tagged version.
Severity ?
5.5 (Medium)
CWE
- n/a
Assigner
References
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CVE-2026-28372 (GCVE-0-2026-28372)
Vulnerability from cvelistv5 – Published: 2026-02-27 05:28 – Updated: 2026-03-07 17:05
VLAI?
Summary
telnetd in GNU inetutils through 2.7 allows privilege escalation that can be exploited by abusing systemd service credentials support added to the login(1) implementation of util-linux in release 2.40. This is related to client control over the CREDENTIALS_DIRECTORY environment variable, and requires an unprivileged local user to create a login.noauth file.
Severity ?
7.4 (High)
CWE
- CWE-829 - Inclusion of Functionality from Untrusted Control Sphere
Assigner
References
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CVE-2026-24061 (GCVE-0-2026-24061)
Vulnerability from cvelistv5 – Published: 2026-01-21 06:42 – Updated: 2026-03-25 13:31
VLAI?
Summary
telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable.
Severity ?
9.8 (Critical)
CWE
- CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
Assigner
References
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CVE-2025-15281 (GCVE-0-2025-15281)
Vulnerability from cvelistv5 – Published: 2026-01-20 13:22 – Updated: 2026-01-22 19:21
VLAI?
Title
wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory
Summary
Calling wordexp with WRDE_REUSE in conjunction with WRDE_APPEND in the GNU C Library version 2.0 to version 2.42 may cause the interface to return uninitialized memory in the we_wordv member, which on subsequent calls to wordfree may abort the process.
Severity ?
7.5 (High)
CWE
- CWE-908 - Use of Uninitialized Resource
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| The GNU C Library | glibc |
Affected:
2.0 , ≤ 2.42
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|
Credits
Vitaly Simonovich
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CVE-2026-0915 (GCVE-0-2026-0915)
Vulnerability from cvelistv5 – Published: 2026-01-15 22:08 – Updated: 2026-01-20 16:03
VLAI?
Title
getnetbyaddr and getnetbyaddr_r leak stack contents to DNS resovler
Summary
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Severity ?
7.5 (High)
CWE
- CWE-908 - Use of Uninitialized Resource
Assigner
References
Impacted products
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Credits
Igor Morgenstern, Aisle Research
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CVE-2026-0861 (GCVE-0-2026-0861)
Vulnerability from cvelistv5 – Published: 2026-01-14 21:01 – Updated: 2026-01-16 17:06
VLAI?
Title
Integer overflow in memalign leads to heap corruption
Summary
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Severity ?
8.4 (High)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
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|---|---|---|---|---|
| The GNU C Library | glibc |
Affected:
2.30 , ≤ 2.42
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|
Date Public ?
2026-01-14 05:00
Credits
Igor Morgenstern, Aisle Research
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CVE-2025-69195 (GCVE-0-2025-69195)
Vulnerability from cvelistv5 – Published: 2026-01-09 07:57 – Updated: 2026-02-26 15:04
VLAI?
Title
Wget2: gnu wget2: memory corruption and crash via filename sanitization logic with attacker-controlled urls
Summary
A flaw was found in GNU Wget2. This vulnerability, a stack-based buffer overflow, occurs in the filename sanitization logic when processing attacker-controlled URL paths, particularly when filename restriction options are active. A remote attacker can exploit this by providing a specially crafted URL, which, upon user interaction with wget2, can lead to memory corruption. This can cause the application to crash and potentially allow for further malicious activities.
Severity ?
7.6 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
Date Public ?
2025-12-29 00:00
Credits
Red Hat would like to thank Arkadi Vainbrand for reporting this issue.
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CVE-2025-69194 (GCVE-0-2025-69194)
Vulnerability from cvelistv5 – Published: 2026-01-09 07:53 – Updated: 2026-02-26 15:04
VLAI?
Title
Wget2: arbitrary file write via metalink path traversal in gnu wget2
Summary
A security issue was discovered in GNU Wget2 when handling Metalink documents. The application fails to properly validate file paths provided in Metalink <file name> elements. An attacker can abuse this behavior to write files to unintended locations on the system. This can lead to data loss or potentially allow further compromise of the user’s environment.
Severity ?
8.8 (High)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Date Public ?
2025-12-29 00:00
Credits
Red Hat would like to thank Arkadi Vainbrand for reporting this issue.
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CVE-2025-13151 (GCVE-0-2025-13151)
Vulnerability from cvelistv5 – Published: 2026-01-07 21:14 – Updated: 2026-01-20 17:08
VLAI?
Title
CVE-2025-13151
Summary
Stack-based buffer overflow in libtasn1 version: v4.20.0. The function fails to validate the size of input data resulting in a buffer overflow in asn1_expend_octet_string.
Severity ?
7.5 (High)
CWE
Assigner
References
Credits
This issue was reported Benny Zelster from Microsoft Security Research
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CVE-2025-65409 (GCVE-0-2025-65409)
Vulnerability from cvelistv5 – Published: 2025-12-30 00:00 – Updated: 2026-01-02 18:08
VLAI?
Summary
A divide-by-zero in the encryption/decryption routines of GNU Recutils v1.9 allows attackers to cause a Denial of Service (DoS) via inputting an empty value as a password.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
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CVE-2025-66863 (GCVE-0-2025-66863)
Vulnerability from cvelistv5 – Published: 2025-12-29 00:00 – Updated: 2025-12-30 15:19
VLAI?
Summary
An issue was discovered in function d_discriminator in file cp-demangle.c in BinUtils 2.26 allows attackers to cause a denial of service via crafted PE file.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
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CVE-2025-66861 (GCVE-0-2025-66861)
Vulnerability from cvelistv5 – Published: 2025-12-29 00:00 – Updated: 2025-12-31 16:59
VLAI?
Summary
An issue was discovered in function d_unqualified_name in file cp-demangle.c in BinUtils 2.26 allowing attackers to cause a denial of service via crafted PE file.
Severity ?
CWE
- n/a
Assigner
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/caozhzh/CRGF-Vul/blob/main/cxxfilt/crash1.md"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in function d_unqualified_name in file cp-demangle.c in BinUtils 2.26 allowing attackers to cause a denial of service via crafted PE file."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
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}
],
"providerMetadata": {
"dateUpdated": "2025-12-29T16:27:19.543Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://github.com/caozhzh/CRGF-Vul/blob/main/cxxfilt/crash1.md"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2025-66861",
"datePublished": "2025-12-29T00:00:00.000Z",
"dateReserved": "2025-12-08T00:00:00.000Z",
"dateUpdated": "2025-12-31T16:59:18.214Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}