7.8

CVE-2026-32775: libexif_project libexif Integer Underflow (Wrap or Wraparound)

CVSS: 7.8v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-32775DEBIAN-CVE-2026-32775
Published 16-03-2026Last modified 12-04-2026
Open JSON

Vulnerability summary

CVE-2026-32775 is a high (CVSS 7.8) Integer Underflow (Wrap or Wraparound) vulnerability in libexif_project libexif. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.17%
0%100%
Low · -0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 7 · Related 6
MGASA-2026-0112OPENSUSE-SU-2026:10717-1OPENSUSE-SU-2026:21023-1SUSE-SU-2026:22324-1SUSE-SU-2026:2837-1SUSE-SU-2026:2838-1

Timeline

  1. 16-03-2026
    PublishedVulnerability first disclosed.
  2. 12-04-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

6%

Versus all other CVEs

30-day change

-0.02 pp

From 0.19% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Libexif

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • libexif< 0.6.24-1+deb12u1 | < 0.6.25-1+deb13u1 | < 0.6.26-1
Libexif_project1 product
Ubuntu1 product
  • libexifAll versions (No fix recorded) | < 0.6.24-1ubuntu0.22.04.1 | < 0.6.24-1ubuntu0.24.04.1 | < 0.6.25-2ubuntu0.1

3 vendors · 3 products

References

7 links