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Fencer Vulns
high 7.4

CVE-2026-32775 json

libexif through 0.6.25 has a flaw in decoding MakerNotes.

published 2026-03-16 7 mo ago modified 2026-07-25 3 mo ago also EUVD-2026-12345 , JLSEC-2026-150

cvss
7.4
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 9%
public exploits
0
none known

Summary

libexif through 0.6.25 has a flaw in decoding MakerNotes. If the exif_mnote_data_get_value function gets passed in a 0 size, the passed in-buffer would be overwritten due to an integer underflow.

Patch / fix

  • julia libexif_jll 0.6.26+0
  • libexif Debian 12 0.6.24-1+deb12u1
  • libexif Debian 13 0.6.25-1+deb13u1
  • libexif Debian 14 0.6.26-1

debian advisories DEBIAN-CVE-2026-32775

  • libexif Ubuntu 22.04 LTS 0.6.24-1ubuntu0.22.04.1
  • libexif Ubuntu 24.04 LTS 0.6.24-1ubuntu0.24.04.1
  • libexif Ubuntu 26.04 LTS 0.6.25-2ubuntu0.1

ubuntu advisories UBUNTU-CVE-2026-32775

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

  • libexif SLE Module for Package Hub 15 SP7, SLE Module for Desktop Applications 15 SP7 0.6.22-150000.5.12.1
  • libexif SLES for SAP applications 16.0, SLES 16.0 0.6.26-160000.1.1
  • libexif SLES LTSS Extended Security 12 SP5 0.6.22-8.16.1

suse advisories SUSE-SU-2026:2838-1SUSE-SU-2026:2837-1SUSE-SU-2026:22324-1

  • libexif openSUSE Leap 16.0 0.6.26-160000.1.1
  • libexif openSUSE Tumbleweed 0.6.26-1.1

opensuse advisories openSUSE-SU-2026:21023-1openSUSE-SU-2026:10717-1

  • libexif Alpine 3.23 0.6.26-r0

alpine advisories ALPINE-CVE-2026-32775

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libexif Azure Linux 3.0 0.6.24-2

azure linux advisories AZL-79862

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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-2026-32775 updated cvss 5.3

libexif: libexif: Buffer overwrite via integer underflow in MakerNotes decoding

  • Red Hat Enterprise Linux 6 libexif Red Hat Enterprise Linux 7 libexif Red Hat Enterprise Linux 8 libexif Red Hat Enterprise Linux 9 libexif Red Hat Enterprise Linux 10 libexif
    affected: workaround, no fix available “To mitigate this issue, avoid processing untrusted image files that may contain specially crafted EXIF MakerNotes. Restrict the use of applications that process EXIF data to trusted sources only.”

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
total
Assessed
7 mo ago

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/libexif/libexif/issues/247 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
OSV 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
julia libexif_jll
<0.6.26+0
0.6.26+0

Affected products

  • libexif project libexif

Classification

Weakness
  • CWE-191 Integer Underflow (Wrap or Wraparound)

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.