THREATPORT/VULNERABILITY/CVE-2013-6954
MEDIUM SEVERITY

CVE-2013-6954

Libpng vulnerability

CVSS
6.5
EPSS
4.7%
EPSS pct
91th
Exploited
No known
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.
Affected vendor
Libpng
Affected product
Libpng
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-476 — NULL Pointer Dereference
Published
2014-01-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 4.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2013-6954

  • Confirm whether Libpng Libpng is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2013-6954.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-6954

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2013-6954 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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