CVE-2013-6954: libpng NULL Pointer Dereference
CVSS: 6.5v3.1MediumModified
AliasesMGASA-2014-0075MGASA-2014-0076
Published 12-01-2014Last modified 10-06-2025
Vulnerability summary
CVE-2013-6954 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in libpng. EPSS estimates a 4.69% chance of exploitation in the next 30 days, higher than 91.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
4.69%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 10 · Related 2Timeline
- 12-01-2014PublishedVulnerability first disclosed.
- 10-06-2025Last modifiedVulnerability information updated.
Description
The png_do_expand_palette function in libpng before 1.6.8 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via (1) a PLTE chunk of zero bytes or (2) a NULL palette, related to pngrtran.c and pngset.c.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
4.69%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
0.00 pp
From 4.69% on 18-09-2026
18-09-202618-10-2026
EPSS score4.69%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (sourceforge.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Mageia3 products
- libpng< 1.5.13-2.1.mga3
- libpng12< 1.2.50-3.1.mga3
- libpng12< 1.2.50-4.1.mga4
Libpng1 product
- libpng≤ 1.6.8 | 1.6.0 | 1.6.0:beta | 1.6.1 | 1.6.1:beta | 1.6.2 | 1.6.2:beta | 1.6.3 | 1.6.3:beta | 1.6.4 | 1.6.4:beta | 1.6.5 | 1.6.6 | 1.6.7 | 1.6.7:beta
2 vendors · 4 products
References
30 links- www.ibm.com/support/docview.wss?uid=swg21675973X Refsource CONFIRM
- advisories.mageia.org/MGASA-2014-0075.htmlX Refsource CONFIRM
- lists.fedoraproject.org/pipermail/package-announce/2014-February/128098.htmlVendor AdvisoryX Refsource FEDORA
- www-01.ibm.com/support/docview.wss?uid=swg21672080X Refsource CONFIRM
- sourceforge.net/p/libpng/code/ci/1faa6ff32c648acfe3cf30a58d31d7aebc24968cX Refsource CONFIRMExploitPatch
Show all 30 references
- www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.htmlX Refsource CONFIRM
- bugzilla.redhat.com/show_bug.cgi?id=1045561X Refsource CONFIRM
- lists.fedoraproject.org/pipermail/package-announce/2014-February/127947.htmlVendor AdvisoryX Refsource FEDORA
- www-01.ibm.com/support/docview.wss?uid=swg21676746X Refsource CONFIRM
- lists.fedoraproject.org/pipermail/package-announce/2014-February/128099.htmlVendor AdvisoryX Refsource FEDORA
- lists.fedoraproject.org/pipermail/package-announce/2014-February/127952.htmlVendor AdvisoryX Refsource FEDORA
- www.libpng.org/pub/png/libpng.htmlX Refsource MISC
- lists.fedoraproject.org/pipermail/package-announce/2014-February/128114.htmlVendor AdvisoryX Refsource FEDORA