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CVE-2026-34757VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Affects Red HatSource GCVE Database

0
Authoritative record:CVE-2026-34757· Medium 5.1

Not known to be exploited · CVSS 5.1 Medium : upgrade Red Hat libpng to 1.6.57 when convenient.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
5.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.6.57
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade libpng and pnggroup/libpng to 1.6.57.

Affected software

ProductAffectedFixed in
pnggrouplibpngAffected
  • >=1.0.9 <1.6.57
Fixed in
  • 1.6.57
GitHubpnggroup/libpngpkg:github/pnggroup/libpngOther threatsAffected
  • <1.6.57 >=1.0.9
Fixed in
  • 1.6.57

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

This update includes the following RPMs: libpng: * libpng-1.6.57-0.1.hum1 (aarch64, x86_64) * libpng-devel-1.6.57-0.1.hum1 (aarch64, x86_64) * libpng-static-1.6.57-0.1.hum1 (aarch64, x86_64) * libpng-tools-1.6.57-0.1.hum1 (aarch64, x86_64) * libpng-1.6.57-0.1.hum1.src (src) Security Fix(es): libpng: * CVE-2026-34757

References

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