CVE-2025-28162: libpng Classic Buffer Overflow
CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-28162DEBIAN-CVE-2025-28162
Published 27-01-2026Last modified 29-01-2026
Vulnerability summary
CVE-2025-28162 is a medium (CVSS 5.5) Classic Buffer Overflow vulnerability in libpng. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.16%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 10 · Related 9Timeline
- 27-01-2026PublishedVulnerability first disclosed.
- 29-01-2026Last modifiedVulnerability information updated.
Description
Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via the pngimage with AddressSanitizer (ASan), the program leaks memory in various locations, eventually leading to high memory usage and causing the program to become unresponsive
CVSS metrics
4 scores · 4 sources · 1 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.16%
Chance of exploitation in the next 30 days
Percentile
5%
Versus all other CVEs
30-day change
+0.01 pp
From 0.15% on 19-09-2026
19-09-202619-10-2026
EPSS score0.16%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundLibpng
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian1 product
- libpng1.6All versions (No fix recorded) | < 1.6.47-1
Libpng1 product
- libpng≥ 1.6.43, ≤ 1.6.46
Ubuntu1 product
- libpng1.6< 1.6.43-5ubuntu0.4
3 vendors · 3 products
