ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2025-68973

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.

Published Dec 28, 2025 · catalog updated Apr 30, 2026 · GnuPG GnuPG

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-68973. EPSS is 0.15%. Act only if a listed version of GnuPG GnuPG is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.15%
Remediation
Version ranges on file
Affected products
vendor GnuPG GnuPG 0 <2.2.51

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.)

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor GnuPG GnuPG 0 <2.2.510 <2.2.51

How to fix CVE-2025-68973

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-68973. EPSS is 0.15%. Act only if a listed version of GnuPG GnuPG is installed.

Which versions are affected?

Compare what you have installed with GnuPG GnuPG 0 <2.2.51 0 <2.2.51. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.15%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 28, 2025 · EUVD

    Detected

    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.)

  2. Apr 30, 2026 · EUVD

    Updated

    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.)

Sources

  • CVE.orgVulnerability recordCVE-2025-68973

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-68973

    30-day exploitation probability 0.15%

    first.org
  • EUVDVulnerability recordEUVD-2025-205519

    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.)

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 1, 2026
  • CVE.orgOct 29, 2026
  • EUVDOct 29, 2026