Buffer Overflow vulnerability in libheif 1.19.7 allows a local attacker to execute arbitrary code via the SAO (Sample Adaptive Offset) proc…

published 2025-04-07 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-10439

cvss: 6.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits: 0; none known

Buffer Overflow vulnerability in libheif 1.19.7 allows a local attacker to execute arbitrary code via the SAO (Sample Adaptive Offset) processing of libde265.

Patch / fix

distros 1

libde265 Debian 14, Debian 13, Debian 12 1.0.7-1

debian advisories DEBIAN-CVE-2025-29482

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-2025-29482 updated 2026-06-28 cvss 6.8

libheif: Stack Buffer Overflow in libheif SAO Processing

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

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 19 mo ago (2025-04-09)

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/lmarch2/poc/blob/main/libheif/libheif.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.2	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA	3.1	6.2	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input

References

github.com /lmarch2/poc/blob/main/libheif/libheif.md
exploit, third-party-advisory

Sources

CVE List CVE-2025-29482
NVD CVE-2025-29482

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