CVE-2021-34122

MEDIUM 5.5CVE-2021-34122 · Published 10/03/2022 · updated 17/06/2026

In short

CVE-2021-34122 is a MEDIUM (CVSS 5.5) vulnerability affecting ffjpeg (rockcarry).
Chance of exploitation in the next 30 days (EPSS): 0.82%, higher than 57.1% of all vulnerabilities.
Fix: update to 2021-03-16 or later.

Package	Affected versions	Patched versions
ffjpeg rockcarry	`< 2021-03-16`	`2021-03-16`

The function bitstr_tell at bitstr.c in ffjpeg commit 4ab404e has a NULL pointer dereference.

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