Gnutls: potential crash during chain building/verification
Priority LOW 23CWE-248Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 4 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-248.
Summary
A flaw has been discovered in GnuTLS where an application crash can be induced when attempting to verify a specially crafted .pem bundle using the "certtool --verify-chain" command.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00389 33rd percentileScored 2026-11-07
Fix Partial Red Hat: 3 advisoriesRed Hat: 4 fixed, 2 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | gnutls | 3.8.3 | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 3.7.6-23.el9_3.4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 3.8.3-4.el9_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 3.7.6-23.el9_3.4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 3.8.3-4.el9_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — | 3.7.6-21.el9_2.3 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 10 | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 6 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 7 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | — | Not affected | CNA |
- gnutls Vendor— Affected 3.8.3 Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 3.7.6-23.el9_3.4 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 3.8.3-4.el9_4 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 3.7.6-23.el9_3.4 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 3.8.3-4.el9_4 Patch available CNA
- Red Hat Enterprise Linux 9.2 Extended Update Support VendorRed Hat Affected — Fixed in 3.7.6-21.el9_2.3 Patch available CNA
- Red Hat Enterprise Linux 10 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in — Not affected CNA
CPE names CNA · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:/a:redhat:enterprise_linux:9::appstream | 9 | — | Red Hat |
| cpe:/o:redhat:enterprise_linux:9::baseos | 9 | — | Red Hat |
| cpe:/a:redhat:rhel_eus:9.2::appstream | 9.2 | — | Red Hat |
| cpe:/o:redhat:rhel_eus:9.2::baseos | 9.2 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:10 | 10 | — | Red Hat |
| cpe:/o:redhat:rhel_els:6 | 6 | — | Red Hat |
| cpe:/o:redhat:rhel_els:7 | 7 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:8 | 8 | — | Red Hat |
- cpe:/a:redhat:enterprise_linux:9::appstream Versions 9 — ·Red Hat
- cpe:/o:redhat:enterprise_linux:9::baseos Versions 9 — ·Red Hat
- cpe:/a:redhat:rhel_eus:9.2::appstream Versions 9.2 — ·Red Hat
- cpe:/o:redhat:rhel_eus:9.2::baseos Versions 9.2 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:10 Versions 10 — ·Red Hat
- cpe:/o:redhat:rhel_els:6 Versions 6 — ·Red Hat
- cpe:/o:redhat:rhel_els:7 Versions 7 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:8 Versions 8 — ·Red Hat
Remediation
Red Hat 3 advisories
- RHSA-2024:2889 Released 2024-05-16 · Red Hat rating Moderategnutls security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) gnutls-c++-3.7.6-21.el9_2.3, gnutls-dane-3.7.6-21.el9_2.3, gnutls-devel-3.7.6-21.el9_2.3 +1
- Red Hat Enterprise Linux BaseOS EUS (v.9.2) gnutls-3.7.6-21.el9_2.3
- RHSA-2024:2570 Released 2024-04-30 · Red Hat rating Moderategnutls security update
- Red Hat Enterprise Linux AppStream (v. 9) gnutls-c++-3.8.3-4.el9_4, gnutls-dane-3.8.3-4.el9_4, gnutls-devel-3.8.3-4.el9_4 +1
- Red Hat Enterprise Linux BaseOS (v. 9) gnutls-3.8.3-4.el9_4
- RHSA-2024:1879 Released 2024-04-18 · Red Hat rating Moderategnutls security update
- Red Hat Enterprise Linux AppStream (v. 9) gnutls-c++-3.7.6-23.el9_3.4, gnutls-dane-3.7.6-23.el9_3.4, gnutls-devel-3.7.6-23.el9_3.4 +1
- Red Hat Enterprise Linux BaseOS (v. 9) gnutls-3.7.6-23.el9_3.4
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and 4 more products — RHSA-2024:1879
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2024-19046 Gnutls: vulnerable to minerva side-channel information leakPriority LOW 25
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and 4 more products — RHSA-2024:2570
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2024-19046 Gnutls: vulnerable to minerva side-channel information leakPriority LOW 25
Show 1 more group
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and 4 more products — RHSA-2024:2889
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2024-19046 Gnutls: vulnerable to minerva side-channel information leakPriority LOW 25
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:1879, RHSA-2024:2570 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2024:2889 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2024:1879, RHSA-2024:2570 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.2) | Fixed | RHSA-2024:2889 |
Not affected: 2 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2024-28835
- 2026-10-03 Alias added: GHSA-ffpf-5h29-w36w
- 2026-10-23 Affected versions changed · CNA
- 2026-10-23 Affected versions changed · Red Hat
References
More Red Hat vulnerabilities
- TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
- TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
- TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
- TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
- TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-28835 · CVE Program
- CVE-2024-28835 · NVD
- FIRST EPSS
- GHSA-ffpf-5h29-w36w · GitHub Advisory Database · CC BY 4.0
- CVE-2024-28835 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences