Vulnerability · Published Apr 22, 2021 · Assigned by fedora
CVE-2021-3496
High 7.8
In plain English
A high-severity memory corruption in jhead. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.1%top 35.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A heap-based buffer overflow was found in jhead in version 3.06 in Get16u() in exif.c when processing a crafted file.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | jhead | 1:3.04-6 | DEBIAN-CVE-2021-3496 |
| Debian:13 | jhead | 1:3.04-6 | DEBIAN-CVE-2021-3496 |
| Debian:14 | jhead | 1:3.04-6 | DEBIAN-CVE-2021-3496 |
Affected products (as reported)
Weakness: CWE-119