CVE-2017-12652
libpng before 1.6.32 does not properly check the length of chunks against the user limit.
02 Description
libpng before 1.6.32 does not properly check the length of chunks against the user limit.
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 4.11% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 90.3% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-07-10 14:10Z7 YR AGO
- Last updated
- 2025-06-09 15:23Z1 YR AGO
- Reserved
- 2017-08-07
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- 356cde521de957910c52dfbccee2ebfa0f34b208fd1d85078172c67e98b55639
05 Affected products
06 References
- github.comhttps://github.com/glennrp/libpng/blob/df7e9dae0c4aac63d55361e35709c864fa1b8363/ANNOUNCE
- www.securityfocus.com109269http://www.securityfocus.com/bid/109269
- support.f5.comhttps://support.f5.com/csp/article/K88124225
- support.f5.comhttps://support.f5.com/csp/article/K88124225?utm_source=f5support&utm_medium=RSS
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20220506-0003/
- github.comhttps://github.com/pnggroup/libpng/commit/347538efbdc21b8df684ebd92d37400b3ce85d55
- support.f5.comhttps://support.f5.com/csp/article/K88124225?utm_source=f5support&%3Butm_medium=RSS
07 Fixed in
Debian 12
- libpng1.6 Fixed in 1.6.32-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libpng1.6 Fixed in 1.6.32-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libpng1.6 Fixed in 1.6.32-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- libpng No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- libpng Fixed in 1.2.54-1ubuntu1.1+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- libpng1.6 Fixed in 1.6.20-2ubuntu0.1~esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.