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No exploitation reportedFix available

CVE-2026-24882

No exploitation reported by the sources we read.

  • Published2026-01-27
  • Fixed in2.5.17
  • WeaknessCWE-121

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In GnuPG before 2.5.17, a stack-based buffer overflow exists in tpm2daemon during handling of the PKDECRYPT command for TPM-backed RSA and ECC keys.

Timeline

dates in UTC
  1. 2026-01-2719:16CVE publishedNVD

Versions per branch

NVD
Gnupg
BranchAffectedFixed in
2.5≥ 2.5.13, < 2.5.172.5.17
Gpg4win
BranchAffectedFixed in
5.0≥ 5.0.0, < 5.0.15.0.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As mitre, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • GnuPGother versions: not affected
    Affected
    • < 2.5.17fixed in 2.5.17semver

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-01-28

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • gnupgWolfiall versions · fixed in 2.4.9-r10
  • gnupgChainguardall versions · fixed in 2.4.9-r10
  • gnupgAlpaquita:streamfrom 2.4.0-r1 · no fixed version listed
  • gnupgAlpaquita:25from 2.4.7-r0 · no fixed version listed
  • gnupgAlpaquita:23from 2.2.40-r0 · no fixed version listed
  • gnupg2Root:Debian:13all versions · fixed in 2.4.7-21+deb13u1.aikido.5and 1 other package
  • gnupg2Root:Debian:13all versions · fixed in 2.4.7-21+deb13u1.aikido.10and 1 other package
  • gnupg2Root:Debian:13all versions · fixed in 2.4.7-21+deb13u1.aikido.11and 1 other package

33 more package ranges on OSV.dev

Vendor advisories

  • CVE-2026-24882 Red Hat Product Security66 products fixed

    GnuPG: GnuPG: Stack-based buffer overflow in tpm2daemon allows arbitrary code execution

  • RHSA-2026:2753 Red Hat Product Security33 products fixed

    Red Hat Security Advisory: gnupg2 security update

  • RHSA-2026:2719 Red Hat Product Security33 products fixed

    Red Hat Security Advisory: gnupg2 security update

Full record on NVD

Fix

  1. Update Gnupg to 2.5.17
  2. Vendor fix Red Hat Product Security RHSA-2026:2753 · 33 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  3. Workaround from the vendor Red Hat Product Security RHSA-2026:2753 · 33 productsMitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2026-01-27
Last Modified
2026-07-15
NVD status
Modified
GitHub Advisory
GHSA-mpc3-hqr8-w5f3

Frequently asked questions

What is CVE-2026-24882?

In GnuPG before 2.5.17, a stack-based buffer overflow exists in tpm2daemon during handling of the PKDECRYPT command for TPM-backed RSA and ECC keys.

Is CVE-2026-24882 actively exploited?

Active exploitation of CVE-2026-24882 has not been confirmed. Its EPSS score was 0.4% on 2026-11-04, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-24882?

CVE-2026-24882 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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