Buffer overflow in Jhead Project
CVE-2021-3496
A heap-based buffer overflow was found in jhead in version 3.06 in Get16u() in exif.c when processing a crafted file.
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: 0.011 (63.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Jhead Project — versions 3.06
- Jhead — versions jhead 3.06.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- github.com/Matthias-Wandel/jhead/issues/33 (Exploit, Patch, Third Party Advisory)
- security.gentoo.org/glsa/202210-17 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3496?
- CVE-2021-3496 is a high-severity vulnerability in Jhead Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2021-04-22.
- How severe is CVE-2021-3496?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-3496 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.