CVE catalog
CVE-2026-41990
Libgcrypt before 1.12.2 mishandles Dilithium signing. Writes to a static array lack a bounds check but do not use attacker-controlled data.
- Severity
- Medium · CVSS 4
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.23% · Oct 25, 2026
Libgcrypt before 1.12.2 mishandles Dilithium signing. Writes to a static array lack a bounds check but do not use attacker-controlled data.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libgcrypt20 | sid | 1.12.4-2 | fixed |
| Debian | libgcrypt20 | forky | 1.12.4-2 | fixed |
| Debian | libgcrypt20 | trixie | 1.11.0-7+deb13u1 | not affected |
| Debian | libgcrypt20 | trixie-security | 1.11.0-7+deb13u1 | not affected |
| Debian | libgcrypt20 | bookworm | 1.10.1-3+deb12u1 | not affected |
| Debian | libgcrypt20 | bookworm-security | 1.10.1-3+deb12u1 | not affected |
| Cpe | libgcrypt20 | Not reported | 1.10.3-2ubuntu0.1 | fixed |
| Cpe | libgcrypt-mingw-w64-dev | Not reported | 1.10.3-2ubuntu0.1 | fixed |
| Cpe | libgcrypt20-dev | Not reported | 1.10.3-2ubuntu0.1 | fixed |
| Cpe | libgcrypt20-doc | Not reported | 1.10.3-2ubuntu0.1 | fixed |
| Cpe | libgcrypt | Not reported | 1.12.2 | fixed |
| Cpe | libgcrypt20 | Not reported | Not reported | not affected |
| Ubuntu | libgcrypt20 | pro | 1.10.3-2ubuntu0.1~Fips1~rc6 | vulnerable |
| Ubuntu | libgcrypt20 | pro | 1.10.3-2ubuntu0.1~Fips1~rc7 | vulnerable |
| Ubuntu | libgcrypt20 | pro | 1.12.0-2ubuntu0.1~Fips1~rc11 | fixed |
| Ubuntu | libgcrypt20 | 26.04 | 1.11.0-7build1 | vulnerable |
| Ubuntu | libgcrypt20 | 26.04 | 1.11.2-2 | vulnerable |
| Ubuntu | libgcrypt20 | 26.04 | 1.11.2-3 | vulnerable |
| Ubuntu | libgcrypt20 | 26.04 | 1.12.0-2 | vulnerable |
| Ubuntu | libgcrypt20 | 26.04 | 1.12.0-2ubuntu0.1 | fixed |
| Suse | libgcrypt | linux enterprise server 16.0 | 1.12.1-160000.2.1 | fixed |
| Suse | libgcrypt | linux enterprise server for sap applications 16.0 | 1.12.1-160000.2.1 | fixed |
| Suse | libgcrypt | linux micro 6.2 | 1.12.1-160000.2.1 | fixed |
| Opensuse | libgcrypt | leap 16.0 | 1.12.1-160000.2.1 | fixed |
| Cpe | libgcrypt | Not reported | 1.12.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libgcrypt20 | source | sid | 1.12.2-1 | not yet assigned | Not reported | Not reported |
| Debian | libgcrypt20 | source | forky | 1.12.2-1 | not yet assigned | Not reported | Not reported |
| Debian | libgcrypt20 | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | libgcrypt20 | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Cpe | libgcrypt20 | cpe | Not reported | 1.10.3-2ubuntu0.1 | Not reported | Not reported | Not reported |
| Cpe | libgcrypt-mingw-w64-dev | cpe | Not reported | 1.10.3-2ubuntu0.1 | Not reported | Not reported | Not reported |
| Cpe | libgcrypt20-dev | cpe | Not reported | 1.10.3-2ubuntu0.1 | Not reported | Not reported | Not reported |
| Cpe | libgcrypt20-doc | cpe | Not reported | 1.10.3-2ubuntu0.1 | Not reported | Not reported | Not reported |
| Cpe | libgcrypt | cpe | Not reported | 1.12.2 | Not reported | Not reported | Not reported |
| Ubuntu | libgcrypt20 | deb | pro | 1.12.0-2ubuntu0.1~Fips1~rc11 | Not reported | UBUNTU-CVE-2026-41990 | Not reported |
| Ubuntu | libgcrypt20 | deb | 26.04 | 1.12.0-2ubuntu0.1 | Not reported | UBUNTU-CVE-2026-41990 | Not reported |
| Suse | libgcrypt | rpm | linux enterprise server 16.0 | 1.12.1-160000.2.1 | Not reported | SUSE-SU-2026:22355-1 | Not reported |
| Suse | libgcrypt | rpm | linux enterprise server for sap applications 16.0 | 1.12.1-160000.2.1 | Not reported | SUSE-SU-2026:22355-1 | Not reported |
| Suse | libgcrypt | rpm | linux micro 6.2 | 1.12.1-160000.2.1 | Not reported | SUSE-SU-2026:22270-1 | Not reported |
| Opensuse | libgcrypt | rpm | leap 16.0 | 1.12.1-160000.2.1 | Not reported | OPENSUSE-SU-2026:21047-1 | Not reported |
| Cpe | libgcrypt | cpe | Not reported | 1.12.2 | Not reported | NVD-CVE-2026-41990 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libgcrypt20]Not affected
Details (4)
1.10.1-3+deb12u1· amd64 · bookwormNot affected
nvd · libgcrypt20 · debian · bookworm
1.10.1-3+deb12u1· arm64 · bookwormNot affected
nvd · libgcrypt20 · debian · bookworm
1.10.1-3+deb12u1· amd64 · bookworm-securityNot affected
nvd · libgcrypt20 · debian · bookworm
1.10.1-3+deb12u1· arm64 · bookworm-securityNot affected
nvd · libgcrypt20 · debian · bookworm
- [libgcrypt20-dev]Not affected
Source package: [libgcrypt20]
Details (4)
1.10.1-3+deb12u1· amd64 · bookwormNot affected
nvd · libgcrypt20 · debian · bookworm
1.10.1-3+deb12u1· arm64 · bookwormNot affected
nvd · libgcrypt20 · debian · bookworm
1.10.1-3+deb12u1· amd64 · bookworm-securityNot affected
nvd · libgcrypt20 · debian · bookworm
1.10.1-3+deb12u1· arm64 · bookworm-securityNot affected
nvd · libgcrypt20 · debian · bookworm
- [libgcrypt20-doc]Not affected
Source package: [libgcrypt20]
Details (4)
1.10.1-3+deb12u1· all · bookwormNot affected
nvd · libgcrypt20 · debian · bookworm
1.10.1-3+deb12u1· all · bookwormNot affected
nvd · libgcrypt20 · debian · bookworm
1.10.1-3+deb12u1· all · bookworm-securityNot affected
nvd · libgcrypt20 · debian · bookworm
1.10.1-3+deb12u1· all · bookworm-securityNot affected
nvd · libgcrypt20 · debian · bookworm
- [libgcrypt-mingw-w64-dev]Not affected
Source package: [libgcrypt20]
Details (4)
1.10.1-3+deb12u1· all · bookwormNot affected
nvd · libgcrypt20 · debian · bookworm
1.10.1-3+deb12u1· all · bookwormNot affected
nvd · libgcrypt20 · debian · bookworm
1.10.1-3+deb12u1· all · bookworm-securityNot affected
nvd · libgcrypt20 · debian · bookworm
1.10.1-3+deb12u1· all · bookworm-securityNot affected
nvd · libgcrypt20 · debian · bookworm
Observed:
References
- [https://dev.gnupg.org/T8208]
- [https://ftp.suse.com/pub/projects/security/]
- [https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-41990]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-41990]
- [https://osv.dev/vulnerability/SUSE-SU-2026:22270-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:22355-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-41990]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:21047-1]
- [https://security-tracker.debian.org/tracker/CVE-2026-41990]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41990.json]
- [https://ubuntu.com/security/notices/USN-8319-1]
- [https://www.openwall.com/lists/oss-security/2026/04/21/1]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]