CVE-2025-68973: gnupg
CVSS: 7.8v3.1HighModified
AliasesALPINE-CVE-2025-68973SUSE-SU-2026:0214-1SUSE-SU-2026:0215-1SUSE-SU-2026:0378-1SUSE-SU-2026:20080-1SUSE-SU-2026:20108-1SUSE-SU-2026:20243-1SUSE-SU-2026:20356-1RHSA-2026:0697RHSA-2026:0719RHSA-2026:0728RHSA-2026:0935RHSA-2026:0974RHSA-2026:1014RHSA-2026:1229RHSA-2026:1230RHSA-2026:1468RHSA-2026:1629RHSA-2026:1677RHSA-2026:1705RHSA-2026:1719UBUNTU-CVE-2025-68973DEBIAN-CVE-2025-68973DLA-4437-1openSUSE-SU-2026:10001-1openSUSE-SU-2026:20029-1
Published 28-12-2025Last modified 30-04-2026
Vulnerability summary
CVE-2025-68973 is a high (CVSS 7.8) vulnerability in gnupg. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.9% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.15%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 2Timeline
- 28-12-2025PublishedVulnerability first disclosed.
- 30-04-2026Last modifiedVulnerability information updated.
Description
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.)
CVSS metrics
6 scores · 6 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:NSources6 sources · 7.0–7.8
- OSV · AlpineEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- OSV · Red hatEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
- OSV · UbuntuEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- OSV · DebianEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- NVDNIST7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.15%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
0.00 pp
From 0.15% on 19-09-2026
19-09-202619-10-2026
EPSS score0.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse22 products
- gpg2&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS< 2.2.27-150300.3.16.1
- gpg2&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS< 2.2.27-150300.3.16.1
- gpg2&distro=SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS< 2.2.27-150300.3.16.1
- gpg2&distro=SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS< 2.2.27-150300.3.16.1
- gpg2&distro=SUSE Linux Enterprise Micro 5.2< 2.2.27-150300.3.16.1
Redhat5 products
- gnupg2< 0:2.4.5-3.el10_1 | < 0:2.3.3-5.el9_7 | < 0:2.2.20-4.el8_10 | < 0:2.2.20-3.el8_8.1 | < 0:2.2.20-3.el8_6.1 | < 0:2.2.20-2.el8_4.1 | < 0:2.3.3-4.el9_6.1 | < 0:2.3.3-4.el9_4.1 | < 0:2.2.9-1.el8_2.1 | < 0:2.4.5-2.el10_0.1 | < 0:2.0.22-5.el7_9.1 | < 0:2.3.3-2.el9_2.1 | < 0:2.3.3-2.el9_0.1
- gnupg2-debuginfo< 0:2.4.5-3.el10_1 | < 0:2.3.3-5.el9_7 | < 0:2.2.20-4.el8_10 | < 0:2.4.5-2.el10_0.1 | < 0:2.0.22-5.el7_9.1 | < 0:2.3.3-2.el9_2.1 | < 0:2.3.3-2.el9_0.1
- gnupg2-debugsource< 0:2.4.5-3.el10_1 | < 0:2.3.3-5.el9_7 | < 0:2.2.20-4.el8_10 | < 0:2.4.5-2.el10_0.1 | < 0:2.3.3-2.el9_2.1 | < 0:2.3.3-2.el9_0.1
- gnupg2-smime< 0:2.4.5-3.el10_1 | < 0:2.3.3-5.el9_7 | < 0:2.2.20-4.el8_10 | < 0:2.2.20-3.el8_8.1 | < 0:2.2.20-3.el8_6.1 | < 0:2.2.20-2.el8_4.1 | < 0:2.3.3-4.el9_6.1 | < 0:2.3.3-4.el9_4.1 | < 0:2.2.9-1.el8_2.1 | < 0:2.4.5-2.el10_0.1 | < 0:2.0.22-5.el7_9.1 | < 0:2.3.3-2.el9_2.1 | < 0:2.3.3-2.el9_0.1
- gnupg2-smime-debuginfo< 0:2.4.5-3.el10_1 | < 0:2.3.3-5.el9_7 | < 0:2.2.20-4.el8_10 | < 0:2.4.5-2.el10_0.1 | < 0:2.3.3-2.el9_2.1 | < 0:2.3.3-2.el9_0.1
Opensuse3 products
- gpg2&distro=openSUSE Leap 15.6< 2.4.4-150600.3.12.1
- gpg2&distro=openSUSE Leap 16.0< 2.5.5-160000.3.1
- gpg2&distro=openSUSE Tumbleweed< 2.5.16-1.1
Ubuntu2 products
- gnupg< 1.4.16-1ubuntu2.6+esm2 | < 1.4.20-1ubuntu3.3+esm3
- gnupg2< 2.1.11-6ubuntu2.1+esm3 | < 2.2.4-1ubuntu1.6+esm2 | < 2.2.19-3ubuntu2.5+esm1 | < 2.2.27-3ubuntu2.5 | < 2.4.4-2ubuntu17.4 | < 2.4.8-2ubuntu2.1
Alpine1 product
- gnupg< 2.4.9-r0
Debian1 product
- gnupg2< 2.2.27-2+deb11u3 | < 2.2.40-1.1+deb12u2 | < 2.4.7-21+deb13u1 | < 2.4.8-5
Gnupg1 product
- gnupg< 2.2.51 | ≥ 2.3.0, < 2.4.9 | ≤ 2.4.8
7 vendors · 35 products
References
63 linksShow all 63 references
- dev.gnupg.org/T7906REPORT
- dev.gnupg.org/T8001REPORT