CVE-2024-2236
Libgcrypt: vulnerable to marvin attack
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
A timing-based side-channel flaw was found in libgcrypt's RSA implementation. This issue may allow a remote attacker to initiate a Bleichenbacher-style attack, which can lead to the decryption of RSA ciphertexts.
Timeline
ID reserved
By redhat
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | Medium5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Deferred | 3.1 | Medium5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.1% · top 33% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.
Weakness
Affected products
libgcrypt
- affected < 9.4.0
Red Hat · Red Hat Enterprise Linux 9
- unaffected 0:1.10.0-11.el9 – < *
Red Hat · Red Hat Enterprise Linux 9
- unaffected 0:1.10.0-11.el9 – < *
Red Hat · Red Hat Enterprise Linux 9.2 Extended Update Support
- unaffected 0:1.10.0-10.el9_2.1 – < *
Red Hat · Red Hat Enterprise Linux 9.4 Extended Update Support
- unaffected 0:1.10.0-10.el9_4.1 – < *
Red Hat · Red Hat Enterprise Linux 10
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 6
All versions: unknown
Red Hat · Red Hat Enterprise Linux 7
All versions: affected
Red Hat · Red Hat Enterprise Linux 8
All versions: affected
What to do
Workaround: Mitigation 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.
References (7)
- RHSA-2024:9404 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2025:3530 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2025:3534 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2024-2236 (opens in a new tab)vdb-entryx_refsource_REDHATx_transferred
- RHBZ#2245218 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
- RHBZ#2268268 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2024-2236)Record last updated .