Search criteria
65 vulnerabilities found for gnupg by gnupg
GCVE-1-2026-0001
Vulnerability from gna-1 – Published: 2026-01-02 10:20 – Updated: 2026-01-02 13:31
VLAI?
Title
Bundle reference to gpg.fail
Summary
Reference to the gpg.fail
1. Multiple Plaintext Attack on Detached PGP Signatures in GnuPG - https://gpg.fail/detached
2. GnuPG Accepts Path Separators and Path Traversals in Literal Data "Filename" Field - https://gpg.fail/filename
3. Cleartext Signature Plaintext Truncated for Hash Calculation - https://gpg.fail/formfeed
4. Encrypted message malleability checks are incorrectly enforced causing plaintext recovery attacks - https://gpg.fail/malleability
5. Memory Corruption in ASCII-Armor Parsing - https://gpg.fail/memcpy
6. Trusted comment injection (minisign) - https://gpg.fail/minisign
7. Cleartext Signature Forgery in the NotDashEscaped header implementation in GnuPG - https://gpg.fail/notdash
8. OpenPGP Cleartext Signature Framework Susceptible to Format Confusion - https://gpg.fail/notsoclear
9. GnuPG Output Fails To Distinguish Signature Verification Success From Message Content https://gpg.fail/noverify
10. Cleartext Signature Forgery in GnuPG - https://gpg.fail/nullbyte
11. Radix64 Line-Truncation Enabling Polyglot Attacks - https://gpg.fail/polyglot
12. GnuPG may downgrade digest algorithm to SHA1 during key signature checking - https://gpg.fail/sha1
13. GnuPG Trust Packet Parsing Enables Adding Arbitrary Subkeys - https://gpg.fail/trust
14. Trusted comment Injection (minisign) - https://gpg.fail/trustcomment
Severity ?
No CVSS data available.
CWE
Assigner
References
| URL | Tags | |
|---|---|---|
Relationships ?
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CVE-2025-68973 (GCVE-0-2025-68973)
Vulnerability from nvd – Published: 2025-12-28 16:19 – Updated: 2026-01-02 20:43
VLAI?
Summary
In GnuPG before 2.4.9, armor_filter in g10/armor.c has two increments of an index variable where one is intended, leading to an out-of-bounds write for crafted input. (For ExtendedLTS, 2.2.51 and later are fixed versions.)
Severity ?
7.8 (High)
CWE
- CWE-675 - Multiple Operations on Resource in Single-Operation Context
Assigner
References
Impacted products
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CVE-2025-68972 (GCVE-0-2025-68972)
Vulnerability from nvd – Published: 2025-12-27 22:52 – Updated: 2026-01-02 20:44
VLAI?
Summary
In GnuPG through 2.4.8, if a signed message has \f at the end of a plaintext line, an adversary can construct a modified message that places additional text after the signed material, such that signature verification of the modified message succeeds (although an "invalid armor" message is printed during verification). This is related to use of \f as a marker to denote truncation of a long plaintext line.
Severity ?
5.9 (Medium)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
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CVE-2025-30258 (GCVE-0-2025-30258)
Vulnerability from nvd – Published: 2025-03-19 00:00 – Updated: 2025-03-19 20:49
VLAI?
Summary
In GnuPG before 2.5.5, if a user chooses to import a certificate with certain crafted subkey data that lacks a valid backsig or that has incorrect usage flags, the user loses the ability to verify signatures made from certain other signing keys, aka a "verification DoS."
Severity ?
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
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CVE-2022-3219 (GCVE-0-2022-3219)
Vulnerability from nvd – Published: 2023-02-23 00:00 – Updated: 2025-03-12 20:45
VLAI?
Summary
GnuPG can be made to spin on a relatively small input by (for example) crafting a public key with thousands of signatures attached, compressed down to just a few KB.
Severity ?
CWE
- denial of service
Assigner
References
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CVE-2022-3515 (GCVE-0-2022-3515)
Vulnerability from nvd – Published: 2023-01-12 00:00 – Updated: 2025-04-08 15:48
VLAI?
Summary
A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.
Severity ?
9.8 (Critical)
CWE
- CWE-190 - - Integer Overflow or Wraparound
Assigner
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CVE-2022-34903 (GCVE-0-2022-34903)
Vulnerability from nvd – Published: 2022-07-01 21:05 – Updated: 2024-08-03 09:22
VLAI?
Summary
GnuPG through 2.3.6, in unusual situations where an attacker possesses any secret-key information from a victim's keyring and other constraints (e.g., use of GPGME) are met, allows signature forgery via injection into the status line.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2020-25125 (GCVE-0-2020-25125)
Vulnerability from nvd – Published: 2020-09-03 17:48 – Updated: 2024-08-04 15:26
VLAI?
Summary
GnuPG 2.2.21 and 2.2.22 (and Gpg4win 3.1.12) has an array overflow, leading to a crash or possibly unspecified other impact, when a victim imports an attacker's OpenPGP key, and this key has AEAD preferences. The overflow is caused by a g10/key-check.c error. NOTE: GnuPG 2.3.x is unaffected. GnuPG 2.2.23 is a fixed version.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
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CVE-2019-14855 (GCVE-0-2019-14855)
Vulnerability from nvd – Published: 2020-03-20 00:00 – Updated: 2024-08-05 00:26
VLAI?
Summary
A flaw was found in the way certificate signatures could be forged using collisions found in the SHA-1 algorithm. An attacker could use this weakness to create forged certificate signatures. This issue affects GnuPG versions before 2.2.18.
Severity ?
5.3 (Medium)
CWE
Assigner
References
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CVE-2015-0837 (GCVE-0-2015-0837)
Vulnerability from nvd – Published: 2019-11-29 21:10 – Updated: 2024-08-06 04:26
VLAI?
Summary
The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by leveraging timing differences when accessing a pre-computed table during modular exponentiation, related to a "Last-Level Cache Side-Channel Attack."
Severity ?
No CVSS data available.
CWE
- Other
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2014-3591 (GCVE-0-2014-3591)
Vulnerability from nvd – Published: 2019-11-29 21:02 – Updated: 2024-08-06 10:50
VLAI?
Summary
Libgcrypt before 1.6.3 and GnuPG before 1.4.19 does not implement ciphertext blinding for Elgamal decryption, which allows physically proximate attackers to obtain the server's private key by determining factors using crafted ciphertext and the fluctuations in the electromagnetic field during multiplication.
Severity ?
No CVSS data available.
CWE
- Other
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2011-2207 (GCVE-0-2011-2207)
Vulnerability from nvd – Published: 2019-11-27 18:06 – Updated: 2024-08-06 22:53
VLAI?
Summary
dirmngr before 2.1.0 improperly handles certain system calls, which allows remote attackers to cause a denial of service (DOS) via a specially-crafted certificate.
Severity ?
No CVSS data available.
CWE
- Improper dealing with blocking system calls, when verifying a certificate
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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CVE-2015-1607 (GCVE-0-2015-1607)
Vulnerability from nvd – Published: 2019-11-20 18:30 – Updated: 2024-08-06 04:47
VLAI?
Summary
kbx/keybox-search.c in GnuPG before 1.4.19, 2.0.x before 2.0.27, and 2.1.x before 2.1.2 does not properly handle bitwise left-shifts, which allows remote attackers to cause a denial of service (invalid read operation) via a crafted keyring file, related to sign extensions and "memcpy with overlapping ranges."
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2015-1606 (GCVE-0-2015-1606)
Vulnerability from nvd – Published: 2019-11-20 18:30 – Updated: 2024-08-06 04:47
VLAI?
Summary
The keyring DB in GnuPG before 2.1.2 does not properly handle invalid packets, which allows remote attackers to cause a denial of service (invalid read and use-after-free) via a crafted keyring file.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2019-13050 (GCVE-0-2019-13050)
Vulnerability from nvd – Published: 2019-06-29 16:07 – Updated: 2024-08-04 23:41
VLAI?
Summary
Interaction between the sks-keyserver code through 1.2.0 of the SKS keyserver network, and GnuPG through 2.2.16, makes it risky to have a GnuPG keyserver configuration line referring to a host on the SKS keyserver network. Retrieving data from this network may cause a persistent denial of service, because of a Certificate Spamming Attack.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
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CVE-2018-1000858 (GCVE-0-2018-1000858)
Vulnerability from nvd – Published: 2018-12-20 16:00 – Updated: 2024-08-05 12:47
VLAI?
Summary
GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. enter an email address in the composer window of Thunderbird/Enigmail. This vulnerability appears to have been fixed in after commit 4a4bb874f63741026bd26264c43bb32b1099f060.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2025-68973 (GCVE-0-2025-68973)
Vulnerability from cvelistv5 – Published: 2025-12-28 16:19 – Updated: 2026-01-02 20:43
VLAI?
Summary
In GnuPG before 2.4.9, armor_filter in g10/armor.c has two increments of an index variable where one is intended, leading to an out-of-bounds write for crafted input. (For ExtendedLTS, 2.2.51 and later are fixed versions.)
Severity ?
7.8 (High)
CWE
- CWE-675 - Multiple Operations on Resource in Single-Operation Context
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2025-68972 (GCVE-0-2025-68972)
Vulnerability from cvelistv5 – Published: 2025-12-27 22:52 – Updated: 2026-01-02 20:44
VLAI?
Summary
In GnuPG through 2.4.8, if a signed message has \f at the end of a plaintext line, an adversary can construct a modified message that places additional text after the signed material, such that signature verification of the modified message succeeds (although an "invalid armor" message is printed during verification). This is related to use of \f as a marker to denote truncation of a long plaintext line.
Severity ?
5.9 (Medium)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
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CVE-2025-30258 (GCVE-0-2025-30258)
Vulnerability from cvelistv5 – Published: 2025-03-19 00:00 – Updated: 2025-03-19 20:49
VLAI?
Summary
In GnuPG before 2.5.5, if a user chooses to import a certificate with certain crafted subkey data that lacks a valid backsig or that has incorrect usage flags, the user loses the ability to verify signatures made from certain other signing keys, aka a "verification DoS."
Severity ?
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
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CVE-2022-3219 (GCVE-0-2022-3219)
Vulnerability from cvelistv5 – Published: 2023-02-23 00:00 – Updated: 2025-03-12 20:45
VLAI?
Summary
GnuPG can be made to spin on a relatively small input by (for example) crafting a public key with thousands of signatures attached, compressed down to just a few KB.
Severity ?
CWE
- denial of service
Assigner
References
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CVE-2022-3515 (GCVE-0-2022-3515)
Vulnerability from cvelistv5 – Published: 2023-01-12 00:00 – Updated: 2025-04-08 15:48
VLAI?
Summary
A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.
Severity ?
9.8 (Critical)
CWE
- CWE-190 - - Integer Overflow or Wraparound
Assigner
References
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CVE-2022-34903 (GCVE-0-2022-34903)
Vulnerability from cvelistv5 – Published: 2022-07-01 21:05 – Updated: 2024-08-03 09:22
VLAI?
Summary
GnuPG through 2.3.6, in unusual situations where an attacker possesses any secret-key information from a victim's keyring and other constraints (e.g., use of GPGME) are met, allows signature forgery via injection into the status line.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2020-25125 (GCVE-0-2020-25125)
Vulnerability from cvelistv5 – Published: 2020-09-03 17:48 – Updated: 2024-08-04 15:26
VLAI?
Summary
GnuPG 2.2.21 and 2.2.22 (and Gpg4win 3.1.12) has an array overflow, leading to a crash or possibly unspecified other impact, when a victim imports an attacker's OpenPGP key, and this key has AEAD preferences. The overflow is caused by a g10/key-check.c error. NOTE: GnuPG 2.3.x is unaffected. GnuPG 2.2.23 is a fixed version.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2019-14855 (GCVE-0-2019-14855)
Vulnerability from cvelistv5 – Published: 2020-03-20 00:00 – Updated: 2024-08-05 00:26
VLAI?
Summary
A flaw was found in the way certificate signatures could be forged using collisions found in the SHA-1 algorithm. An attacker could use this weakness to create forged certificate signatures. This issue affects GnuPG versions before 2.2.18.
Severity ?
5.3 (Medium)
CWE
Assigner
References
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CVE-2015-0837 (GCVE-0-2015-0837)
Vulnerability from cvelistv5 – Published: 2019-11-29 21:10 – Updated: 2024-08-06 04:26
VLAI?
Summary
The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by leveraging timing differences when accessing a pre-computed table during modular exponentiation, related to a "Last-Level Cache Side-Channel Attack."
Severity ?
No CVSS data available.
CWE
- Other
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2014-3591 (GCVE-0-2014-3591)
Vulnerability from cvelistv5 – Published: 2019-11-29 21:02 – Updated: 2024-08-06 10:50
VLAI?
Summary
Libgcrypt before 1.6.3 and GnuPG before 1.4.19 does not implement ciphertext blinding for Elgamal decryption, which allows physically proximate attackers to obtain the server's private key by determining factors using crafted ciphertext and the fluctuations in the electromagnetic field during multiplication.
Severity ?
No CVSS data available.
CWE
- Other
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2011-2207 (GCVE-0-2011-2207)
Vulnerability from cvelistv5 – Published: 2019-11-27 18:06 – Updated: 2024-08-06 22:53
VLAI?
Summary
dirmngr before 2.1.0 improperly handles certain system calls, which allows remote attackers to cause a denial of service (DOS) via a specially-crafted certificate.
Severity ?
No CVSS data available.
CWE
- Improper dealing with blocking system calls, when verifying a certificate
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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CVE-2015-1607 (GCVE-0-2015-1607)
Vulnerability from cvelistv5 – Published: 2019-11-20 18:30 – Updated: 2024-08-06 04:47
VLAI?
Summary
kbx/keybox-search.c in GnuPG before 1.4.19, 2.0.x before 2.0.27, and 2.1.x before 2.1.2 does not properly handle bitwise left-shifts, which allows remote attackers to cause a denial of service (invalid read operation) via a crafted keyring file, related to sign extensions and "memcpy with overlapping ranges."
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
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CVE-2015-1606 (GCVE-0-2015-1606)
Vulnerability from cvelistv5 – Published: 2019-11-20 18:30 – Updated: 2024-08-06 04:47
VLAI?
Summary
The keyring DB in GnuPG before 2.1.2 does not properly handle invalid packets, which allows remote attackers to cause a denial of service (invalid read and use-after-free) via a crafted keyring file.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2019-13050 (GCVE-0-2019-13050)
Vulnerability from cvelistv5 – Published: 2019-06-29 16:07 – Updated: 2024-08-04 23:41
VLAI?
Summary
Interaction between the sks-keyserver code through 1.2.0 of the SKS keyserver network, and GnuPG through 2.2.16, makes it risky to have a GnuPG keyserver configuration line referring to a host on the SKS keyserver network. Retrieving data from this network may cause a persistent denial of service, because of a Certificate Spamming Attack.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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