CVE-2017-6309
These might lead to invalid read and write operations, controlled by an attacker.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.41% probability · 73th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-125, CWE-787
- Affected
- tnef project/tnef · debian/debian linux
- Source
- cve@mitre.org
EPSS 1.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.debian.org/security/2017/dsa-3798Third Party Advisory
- http://www.securityfocus.com/bid/96427Third Party Advisory, VDB Entry
- https://github.com/verdammelt/tnef/blob/master/ChangeLogPatch, Release Notes, Third Party Advisory
- https://github.com/verdammelt/tnef/commit/8dccf79857ceeb7a6d3e42c1e762e7b865d5344dIssue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201708-02Third Party Advisory
- https://www.x41-dsec.de/lab/advisories/x41-2017-004-tnef/Patch, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3798Third Party Advisory
- http://www.securityfocus.com/bid/96427Third Party Advisory, VDB Entry
- https://github.com/verdammelt/tnef/blob/master/ChangeLogPatch, Release Notes, Third Party Advisory
- https://github.com/verdammelt/tnef/commit/8dccf79857ceeb7a6d3e42c1e762e7b865d5344dIssue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201708-02Third Party Advisory
- https://www.x41-dsec.de/lab/advisories/x41-2017-004-tnef/Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.