CVE catalog
CVE-2026-24883
gnupg2: CVE-2026-24883
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.49% · Oct 25, 2026
In GnuPG before 2.5.17, a long signature packet length causes parse_signature to return success with sig->data[] set to a NULL value, leading to a denial of service (application crash).
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 | gnupg2 | sid | 2.4.9-8 | not affected |
| Debian | gnupg2 | forky | 2.4.9-8 | not affected |
| Debian | gnupg2 | trixie | 2.4.7-21+deb13u1 | not affected |
| Debian | gnupg2 | bookworm | 2.2.40-1.1+deb12u2 | not affected |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | gnupg2 | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | gnupg2 | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | gnupg2 | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | gnupg2 | source | bookworm | Not affected | unimportant | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [dirmngr]Not affected
Source package: [gnupg2]
Details (2)
2.2.40-1.1+deb12u2· amd64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· arm64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
- [gnupg]Not affected
Source package: [gnupg2]
Details (2)
2.2.40-1.1+deb12u2· all · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· all · bookwormNot affected
dsa · gnupg2 · debian · bookworm
- [gnupg2]Not affected
Details (2)
2.2.40-1.1+deb12u2· all · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· all · bookwormNot affected
dsa · gnupg2 · debian · bookworm
- [gnupg-agent]Not affected
Source package: [gnupg2]
Details (2)
2.2.40-1.1+deb12u2· all · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· all · bookwormNot affected
dsa · gnupg2 · debian · bookworm
- [gnupg-l10n]Not affected
Source package: [gnupg2]
Details (2)
2.2.40-1.1+deb12u2· all · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· all · bookwormNot affected
dsa · gnupg2 · debian · bookworm
- [gnupg-utils]Not affected
Source package: [gnupg2]
Details (2)
2.2.40-1.1+deb12u2· amd64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· arm64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
- [gpg]Not affected
Source package: [gnupg2]
Details (2)
2.2.40-1.1+deb12u2· amd64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· arm64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
- [gpg-agent]Not affected
Source package: [gnupg2]
Details (2)
2.2.40-1.1+deb12u2· amd64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· arm64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
- [gpgconf]Not affected
Source package: [gnupg2]
Details (2)
2.2.40-1.1+deb12u2· amd64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· arm64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
- [gpgsm]Not affected
Source package: [gnupg2]
Details (2)
2.2.40-1.1+deb12u2· amd64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· arm64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
- [gpgv]Not affected
Source package: [gnupg2]
Details (2)
2.2.40-1.1+deb12u2· amd64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· arm64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
- [gpgv2]Not affected
Source package: [gnupg2]
Details (2)
2.2.40-1.1+deb12u2· all · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· all · bookwormNot affected
dsa · gnupg2 · debian · bookworm
- [gpgv-static]Not affected
Source package: [gnupg2]
Details (2)
2.2.40-1.1+deb12u2· amd64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· arm64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
- [gpgv-win32]Not affected
Source package: [gnupg2]
Details (2)
2.2.40-1.1+deb12u2· all · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· all · bookwormNot affected
dsa · gnupg2 · debian · bookworm
- [gpg-wks-client]Not affected
Source package: [gnupg2]
Details (2)
2.2.40-1.1+deb12u2· amd64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· arm64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
- [gpg-wks-server]Not affected
Source package: [gnupg2]
Details (2)
2.2.40-1.1+deb12u2· amd64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· arm64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
- [scdaemon]Not affected
Source package: [gnupg2]
Details (2)
2.2.40-1.1+deb12u2· amd64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
2.2.40-1.1+deb12u2· arm64 · bookwormNot affected
dsa · gnupg2 · debian · bookworm
Observed:
References
- [https://ftp.suse.com/pub/projects/security/]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-24883]
- [https://security-tracker.debian.org/tracker/CVE-2026-24883]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24883.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0231.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]