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CVE-2026-93312VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Affects Red HatSource GCVE Database

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Mentioned vulnerabilities

Authoritative record:CVE-2026-93312· Medium 5.3

Public exploit available · CVSS 5.3 Medium.

Data as of 6 Nov 2026, 04:35 UTC

CVSS 4.0 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    CVSS exploit maturity: proof of concept public

  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), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
FreedesktopPopplerAffected
  • =26.07.0
Fixed in–
Freedesktopfreedesktop/popplerpkg:deb/freedesktop/popplerOther threatsAffected
  • =26.07.0
Fixed in–

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

AI-suggested

A fixed update is available via Red Hat Hardened Images RPMs including poppler-26.08.0-1.hum1 and related packages. Users should apply these updates promptly. Until patched, users should avoid opening PDF documents from untrusted or unknown sources and consider using sandboxed environments for viewing PDFs to limit potential impact.

Description

A security advisory from Red Hat addresses an integer overflow vulnerability in the Poppler library, specifically in the FoFiTrueType::mapCodeToGID function. This flaw could be exploited remotely by manipulating the segCnt argument, potentially leading to information disclosure, data corruption, or denial of service. The advisory provides updated RPM packages for Red Hat Hardened Images to fix this issue. Users are advised to apply the update and exercise caution when handling untrusted PDF documents.

References

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