5.5

CVE-2023-25433: libtiff Classic Buffer Overflow

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-25433DEBIAN-CVE-2023-25433
Published 29-06-2023Last modified 03-11-2025

Vulnerability summary

CVE-2023-25433 is a medium (CVSS 5.5) Classic Buffer Overflow vulnerability in libtiff. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 33.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.41%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 8 · Related 4

Timeline

  1. 29-06-2023
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

libtiff 4.5.0 is vulnerable to Buffer Overflow via /libtiff/tools/tiffcrop.c:8499. Incorrect updating of buffer size after rotateImage() in tiffcrop cause heap-buffer-overflow and SEGV.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.41%

Chance of exploitation in the next 30 days

Percentile

34%

Versus all other CVEs

30-day change

-0.01 pp

From 0.42% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gitlab.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • tiff< 4.5.0-6+deb12u2 | < 4.5.1~rc3-1
Libtiff1 product
Ubuntu1 product
  • tiff< 4.0.3-7ubuntu0.11+esm8 | < 4.0.6-1ubuntu0.8+esm11 | < 4.0.9-5ubuntu0.10+esm1 | < 4.1.0+git191117-2ubuntu0.20.04.9 | < 4.3.0-6ubuntu0.5

3 vendors · 3 products

References

10 links