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Fencer Vulns
medium 6.5

CVE-2023-29659 json

libheif vulnerable to segmentation fault via floating point exception

published 2023-05-05 3 y ago modified 2026-06-17 4 mo ago also GHSA-22fx-6r9m-r8h9 , EUVD-2023-1439

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

A Segmentation fault caused by a floating point exception exists in libheif 1.15.1 using crafted heif images via the heif::Fraction::round() function in box.cc, which causes a denial of service.

Patch / fix

  • go github.com/strukturag/libheif 1.15.2
  • libheif Debian 12 1.15.1-1+deb12u1
  • libheif Debian 14, Debian 13 1.16.2-1

debian advisories DEBIAN-CVE-2023-29659

  • libheif Ubuntu Pro 20.04 LTS 1.6.1-1ubuntu0.1~esm1
  • libheif Ubuntu Pro 22.04 LTS 1.12.0-2ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2023-29659

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libheif SLE Module for Package Hub 15 SP5, SLE Module for Desktop Applications 15 SP5, SLE Module for Desktop Applications 15 SP4 +2 more 1.12.0-150400.3.11.1

suse advisories SUSE-SU-2023:2223-2SUSE-SU-2023:2223-1

  • libheif openSUSE Tumbleweed 1.19.5-2.1

opensuse advisories openSUSE-SU-2024:14579-1

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-2023-29659 updated cvss 6.5

libheif: segfault caused by divide-by-zero

  • 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
none
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

0.93% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/strukturag/libheif/issues/794 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
go github.com/strukturag/libheif
<1.15.2
1.15.2

Classification

Weakness

References

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.