6.7

CVE-2026-41989: gnupg libgcrypt Out-of-bounds Write

CVSS: 6.7v3.1MediumModified
AliasesMGASA-2026-0212SUSE-SU-2026:22760-1SUSE-SU-2026:22826-1
Published 23-04-2026Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2026-41989 is a medium (CVSS 6.7) Out-of-bounds Write vulnerability in gnupg libgcrypt. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.3% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.7/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.19%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
RHSA-2026:8466USN-8319-1

Timeline

  1. 23-04-2026
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

+0.01 pp

From 0.18% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Suse9 products
  • libgcrypt&distro=SUSE Linux Enterprise Micro 5.3< 1.9.4-150400.6.14.1
  • libgcrypt&distro=SUSE Linux Enterprise Micro 5.4< 1.9.4-150400.6.14.1
  • libgcrypt&distro=SUSE Linux Enterprise Micro 5.5< 1.9.4-150500.12.6.1
  • libgcrypt&distro=SUSE Linux Enterprise Module for Basesystem 15 SP7< 1.11.0-150700.5.10.1
  • libgcrypt&distro=SUSE Linux Enterprise Server 16.0< 1.12.1-160000.3.1
Redhat5 products
  • libgcrypt< 0:1.8.5-8.el8_10 | < 0:1.11.0-7.el10_2 | < 0:1.10.0-13.el9_8 | < 0:1.10.0-11.el9_6.1 | < 0:1.11.0-5.el10_0.1 | < 0:1.10.0-10.el9_4.2 | < 0:1.10.0-10.el9_2.2 | < 0:1.8.5-7.el8_8.1 | < 0:1.8.5-7.el8_6.1 | < 0:1.8.5-4.el8_4.1
  • libgcrypt-debuginfo< 0:1.8.5-8.el8_10 | < 0:1.11.0-7.el10_2 | < 0:1.10.0-13.el9_8
  • libgcrypt-debugsource< 0:1.8.5-8.el8_10 | < 0:1.11.0-7.el10_2 | < 0:1.10.0-13.el9_8
  • libgcrypt-devel< 0:1.8.5-8.el8_10 | < 0:1.11.0-7.el10_2 | < 0:1.10.0-13.el9_8
  • libgcrypt-devel-debuginfo< 0:1.8.5-8.el8_10 | < 0:1.11.0-7.el10_2 | < 0:1.10.0-13.el9_8
Debian1 product
  • libgcrypt20< 1.10.1-3+deb12u1 | < 1.11.0-7+deb13u1 | < 1.12.2-1
Gnupg1 product
  • libgcrypt≥ 1.8.8, < 1.10.4 | ≥ 1.11.0, < 1.11.3 | ≥ 1.12.0, < 1.12.2
Mageia1 product
  • libgcrypt< 1.10.2-2.1.mga9
Opensuse1 product
  • libgcrypt&distro=openSUSE Leap 16.0< 1.12.1-160000.3.1
Ubuntu1 product
  • libgcrypt20All versions (No fix recorded) | < 1.9.4-3ubuntu3.2 | < 1.9.4-3ubuntu3.2+Fips1 | < 1.10.3-2ubuntu0.1 | < 1.12.0-2ubuntu0.1~Fips1~rc11 | < 1.11.0-7ubuntu0.1 | < 1.12.0-2ubuntu0.1

7 vendors · 19 products

References

46 links
Show all 46 references