Buffer Over-read in hpjansson/chafa

published 2022-07-04 4 y ago modified 2026-07-31 3 mo ago also EUVD-2022-34573 , JLSEC-2026-1091

cvss: 5.5; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits: 0; none known

Buffer Over-read in GitHub repository hpjansson/chafa prior to 1.10.3.

Patch / fix

fixed in 1 distros 2 links 2

hpjansson hpjansson/chafa 1.10.3

debian opensuse

chafa Debian 14, Debian 13, Debian 12 1.10.3-1

debian advisories DEBIAN-CVE-2022-2301

chafa Package Hub 15 SP4, openSUSE Leap 15.4 1.8.0-bp154.3.8.1
chafa Package Hub 15 SP3, openSUSE Leap 15.3 1.4.1-bp153.2.8.1

opensuse advisories openSUSE-SU-2022:10045-1 openSUSE-SU-2022:10044-1

github.com/hpjansson/chafa@56fabfa commit
huntr.dev/bounties/f6b9114b-671d-4948-b946-ffe5c9aeb816 advisory

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-2301 updated 2025-11-21 cvss 5.5

chafa: Buffer Over-read

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.66% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

huntr.dev https://huntr.dev/bounties/f6b9114b-671d-4948-b946-ffe5c9aeb816 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	5.5	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:N/A:P
OSV	3.0	5.5	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
OSV	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected packages

ecosystem	package	affected	fixed in
julia	Chafa_jll	all versions	no fix listed

Affected products

hpjansson hpjansson/chafa

Classification

Weakness

CWE-126 Buffer Over-read
CWE-125 Out-of-bounds Read

References

github.com /hpjansson/chafa/commit/56fabfa18a6880b4cb66047fa6557920078048d9
patch, third-party-advisory, web
huntr.dev /bounties/f6b9114b-671d-4948-b946-ffe5c9aeb816
exploit, issue-tracking, patch, third-party-advisory, web

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary