CVE-2026-40467Disclosure(fossies / gawk)

LOWCVSS 7.5 · HIGH

Signal is active with 3 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Use After Free vulnerability has been found in "io.c" program file of gawk (do_getline_redir() routine). This issue may lead to a crash. It affects gawk in versions 5.4.0 and below.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • gawk

Threat summary

  • 3 mentions across 1 observed day

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 2 classified signals
  • General: 1 classified signal
  • 3 total mentions across 1 day

Affected systems

Vendors
Products
gawk

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-07-13: 3Technical Details · 2026-07-13: 307-13
Signal classification2 categories
Disclosure
266.7%
General
133.3%
Referenced assets3 URLs
Full discourse3 posts
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-40467 Use After Free Vulnerability in gawk 5.4.0 and Below https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-40467

    Post summary

    The text simply identifies CVE-2026-40467 as a Use After Free vulnerability in gawk 5.4.0 and older, without providing additional technical details, exploit code, patch information, or evidence of active exploitation.

    0000086
    4.1K followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-40467 Use After Free vulnerability has been found in "io.c" program file of gawk (do_getline_redir() routine). This issue may lead to a crash. It affects gawk in versions 5… https://www.cve.org/CVERecord?id=CVE-2026-40467 ----- Traducción: La vulnerabilidad … http://infoflow.cloud`

    Post summary

    The post announces CVE-2026-40467, a use-after-free flaw in gawk that could lead to crashes, providing technical details without indicating exploitation or patch status.

    0000043
    92 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-40467 Use After Free vulnerability has been found in "io.c" program file of gawk (do_getline_redir() routine). This issue may lead to a crash. It affects gawk in versions 5… https://www.cve.org/CVERecord?id=CVE-2026-40467

    Post summary

    A use‑after‑free vulnerability in gawk that can lead to a crash is disclosed, with no PoC, exploit, or patch information available.

    00000652
    57.8K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appfossiesgawk---

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