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ALSA-2026:73425 — Important: gdb security update

2026-10-10T11:43:56.964326+00:00

Affected: AlmaLinux:8: gdb, AlmaLinux:8: gdb-doc, AlmaLinux:8: gdb-gdbserver, AlmaLinux:8: gdb-headless

The GNU Debugger (GDB) allows debugging programs written in C, C++, Java, and other languages by executing them in a controlled fashion and then printing their data.

Security Fix(es):

* gdb: STABS debug format parser out-of-bounds write via crafted ELF binary (CVE-2026-13732)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

fkie_cve-2026-13732

2026-10-10T11:43:56.964427+00:00

A flaw was found in GDB's STABS debug format parser. The read_member_functions() function in gdb/stabsread.c contains a linked list removal bug in the code that separates destructor and non-destructor member functions of C++ classes. The bug causes the destructor entries to remain in the main function list while the list length counter is decremented, resulting in an out-of-bounds write when the function list is copied to its final allocated array. An attacker can craft an ELF binary with malicious .stab and .stabstr sections that triggers this out-of-bounds write when a user opens the file in GDB and performs any symbol-inspection operation such as setting a breakpoint. The inferior process does not need to be executed. Under controlled conditions, this was demonstrated to achieve execution of arbitrary commands within the GDB process.

GHSA-j2fm-9w3c-hpj9

2026-10-10T11:43:56.964480+00:00

msrc_CVE-2026-13732 — Gdb: gdb: out-of-bounds write in stabs parser read_member_functions() via crafted elf

2026-10-10T11:43:56.964513+00:00

msrc_CVE-2026-13732

openSUSE-SU-2026:21890-1 — Security update for gdb

2026-10-10T11:43:56.964541+00:00

Security update for gdb

RHSA-2026:79357 — Red Hat Security Advisory: Red Hat Cost Management On-Premise container image update

2026-10-10T11:43:56.964566+00:00

curl: libcurl: Unauthorized connection reuse due to a logical error curl: curl: Cookie injection via malicious HTTP server using super cookies curl: curl: Information disclosure via incorrect .netrc password lookup libcurl: libcurl: Security feature bypass due to improper mTLS connection reuse libcurl: libcurl: Information disclosure due to failure to clear proxy authentication credentials curl: curl: Information disclosure via incorrect Digest authentication header reuse perl: Perl: Incorrect regular expression processing via large regular expressions gdb: gdb: Out-of-bounds write in STABS parser read_member_functions() via crafted ELF openssl: OpenSSL: Denial of Service via unbounded memory growth in QUIC server libarchive: heap overflow OOB read while parsing a tar archive contains a PAX extended header xdgmime: heap-based buffer overflow in _xdg_mime_magic_parse_magic_line() in xdgmimemagic.c openssl: QUIC server may trigger double free when processing INITIAL packet xz: XZ Utils: Denial of Service via buffer overflow in index decoding gawk: gawk: Denial of Service due to Use After Free vulnerability in io.c gawk: gawk: Memory corruption via integer overflow gawk: Gawk: Buffer overflow in ftype() routine may lead to code execution or denial of service nginx: NGINX: Arbitrary code execution via crafted HTTP requests sequoia-openpgp: sequoia-openpgp: Cryptographic integrity compromise via key flag confusion expat: libexpat: Use-after-free vulnerability due to improper hand…

SUSE-SU-2026:23849-1 — Security update for gdb

2026-10-10T11:43:56.964700+00:00

Security update for gdb

UBUNTU-CVE-2026-13732

2026-10-10T11:43:56.964720+00:00

Affected: Ubuntu:Pro:16.04:LTS: gdb, Ubuntu:Pro:18.04:LTS: gdb, Ubuntu:20.04:LTS: gdb, Ubuntu:22.04:LTS: gdb, Ubuntu:24.04:LTS: gdb, Ubuntu:26.04:LTS: gdb