Integer signedness error in the _gnutls_ciphertext2compressed function in lib/gnutls_cipher.c in libgnutls in GnuTLS before 2.2.4 allows remote attackers to cause a denial of service (buffer over-read and crash) via a certain integer value in the Random field in an encrypted Client Hello message within a TLS record with an invalid Record Length, which leads to an invalid cipher padding length, aka GNUTLS-SA-2008-1-3.
CVE-2008-1950
This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 5.0 — v2 rates that MEDIUM (v2 bands: LOW 0.0–3.9 / MEDIUM 4.0–6.9 / HIGH 7.0–10.0; v2 has no CRITICAL band). Vector AV:N/AC:L/Au:N/C:N/I:N/A:P. CVSS v2 is an older, coarser metric than v3.1/v4.0 (no Scope, no User Interaction, no Attack Requirements), so it is not directly comparable to a v3 or v4 score. NVD has never re-scored this record under v3. EPSS predicts 5.0% exploitation probability in the next 30 days, which is reflected in EG Risk but does not lift the v2 base. Confidence: LOW.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v2.0 (legacy)
- 5.0MEDIUMNVD never assigned a CVSS v3 rating to this CVE
- EG Score
- 5.0(low)
- EG Risk
- 29(Track)EG Risk 29/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity50% × 45%Exploitation5% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 5%
- EPSS %ILE
- 92%
- KEV
- Not listed
Published
May 21, 2008
Last Modified
April 23, 2026
References (80)
- secalert@redhathttp://git.savannah.gnu.org/gitweb/?p=gnutls.git%3Ba=commitdiff%3Bh=bc8102405fda11ea00ca3b42acc4f4bce9d6e97b
- secalert@redhathttp://lists.gnu.org/archive/html/gnutls-devel/2008-05/msg00051.html
- secalert@redhathttp://lists.gnu.org/archive/html/gnutls-devel/2008-05/msg00055.html
- secalert@redhathttp://lists.gnu.org/archive/html/gnutls-devel/2008-05/msg00060.html
- secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2008-09/msg00003.html
- secalert@redhathttp://secunia.com/advisories/30287
- secalert@redhathttp://secunia.com/advisories/30302
- secalert@redhathttp://secunia.com/advisories/30317
- secalert@redhathttp://secunia.com/advisories/30324
- secalert@redhathttp://secunia.com/advisories/30330
- secalert@redhathttp://secunia.com/advisories/30331
- secalert@redhathttp://secunia.com/advisories/30338
- secalert@redhathttp://secunia.com/advisories/30355
- secalert@redhathttp://secunia.com/advisories/31939
- secalert@redhathttp://security.gentoo.org/glsa/glsa-200805-20.xml
Patch Availability(3)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | libgnutls13 (1.4.4-3ubuntu0.1) @ feisty | 2026-05-30 | ubuntu |
| redhat | gnutls-0:1.0.20-4.el4_6 | 2008-05-20 | redhat |
| redhat | gnutls-0:1.4.1-3.el5_1 | 2008-05-20 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
Debian:4.0(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| gnutls13 | 1.4.4-3 | 1.4.4-3+etch1 | — |
All Vendor Advisories
(3)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 1× in last 7d / 12× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 118 total refreshes for this CVE.
- 2026-09-18 19:20 UTCEPSS rescore
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- 2026-07-23 00:34 UTCEG score recompute
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- 2026-05-30 21:42 UTCEG score recompute
- 2026-05-30 21:42 UTCVendor advisory
- 2026-05-30 21:42 UTCGHSA enrichment
Related CVEs(same product + same vendor)
Same product
5 shownDebian:4.0:gnutls13
Same vendor
2 shownredhat:RHSA-2008:0489
Frequently asked(4)
What is CVE-2008-1950?
When was CVE-2008-1950 disclosed?
Is CVE-2008-1950 actively exploited?
How do I remediate CVE-2008-1950?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2008-1950
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