- 5.9MediumCVSS base score
- 1.7%Exploitation in 30 daysEPSS · top 23% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
GnuTLS incorrectly validates the first byte of padding in CBC modes
Timeline
ID reserved
By mitre
- 4 years later
· 4 years later
Published
- 5 years later
· 5 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 |
|---|---|---|---|
| NVDNVD · Modified | 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)
- 1.7% · top 23% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.
Affected products
n/a
- affected n/a
References
7
- https://security-tracker.debian.org/tracker/CVE-2015-8313 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2015-8313 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2015-8313 (opens in a new tab)x_refsource_MISCx_transferred
- http://www.securityfocus.com/bid/78327 (opens in a new tab)x_refsource_MISCx_transferred
- http://www.debian.org/security/2015/dsa-3408 (opens in a new tab)x_refsource_MISCx_transferred
- http://www.securityfocus.com/archive/1/537012/100/0/threaded (opens in a new tab)x_refsource_MISCx_transferred
- https://blog.hboeck.de/archives/877-A-little-POODLE-left-in-GnuTLS-old-versions.html (opens in a new tab)x_refsource_MISCx_transferred
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)
- EUVD EUVD-2015-8199 (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://cveledger.app/cve/CVE-2015-8313)Record last updated .