Buffer overflow in Jhead Project
CVE-2021-34055
jhead 3.06 is vulnerable to Buffer Overflow via exif.c in function Put16u.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (35.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Jhead Project — versions 3.06
- Debian Linux — versions 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/Matthias-Wandel/jhead/issues/36 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- lists.debian.org/debian-lts-announce/2022/12/msg00004.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2022/dsa-5294 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-34055?
- CVE-2021-34055 is a high-severity vulnerability in Jhead Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2022-11-04.
- How severe is CVE-2021-34055?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-34055 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.