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
EPSS: 0.011 (61.2th percentile) — read the EPSS interpretation.
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.
Affected products
- Jhead_project Jhead — versions 3.06
- N/a Jhead — versions jhead 3.06.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- patrick@puiterwijk.org (Third Party Advisory, Issue Tracking)
- patrick@puiterwijk.org (Exploit, Patch, Third Party Advisory)
- patrick@puiterwijk.org (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.