Vulnerability-Lookup

SUSE-SU-2026:3211-1

Vulnerability from csaf_suse - Published: 2026-07-23 14:13 - Updated: 2026-07-23 14:13

Summary

Security update for gawk

Severity

Moderate

Notes

Title of the patch: Security update for gawk

Description of the patch: This update for gawk fixes the following issue: - CVE-2026-40468: integer overflow in the `builtin.c` program file (bsc#1271352).

Patchnames: SUSE-2026-3211,SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-3211

CVE-2026-40468

4 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

Recommended 1 product

Product	Identifier	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:gawk-4.1.0-5.6.1.x86_64		—	Vendor Fix

Threats

Impact moderate

References

8 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-updates/2026…	self
https://bugzilla.suse.com/1271352	self
https://www.suse.com/security/cve/CVE-2026-40468/	self
https://www.suse.com/security/cve/CVE-2026-40468	external
https://bugzilla.suse.com/1271352	external

JSON

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}

CVE-2026-40468 (GCVE-0-2026-40468)

Vulnerability from cvelistv5 – Published: 2026-07-13 12:07 – Updated: 2026-07-13 13:01 X_Open Source

Title

Heap buffer overflow in gawk

Summary

Integer overflow vulnerability has been found in "builtin.c" program file of gawk. This issue may lead to memory exhaustion on the hosting operating system and could be used to overwrite gawk heap metadata and objects with attacker-controlled bytes. It affects gawk in versions 5.4.0 and below.

Severity

2.1 (Low)


                        
                          CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

CERT-PL

References

2 references

URL	Tags
https://cgit.git.savannah.gnu.org/cgit/gawk.git/c…	patch
https://cert.pl/en/posts/2026/07/CVE-2026-40467	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
GNU	gawk	Affected: 0 , ≤ 5.4.0 (semver)

Date Public

2026-07-13 12:07

Credits

Michał Majchrowicz (AFINE) Marcin Wyczechowski (AFINE)

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

SUSE-SU-2026:3211-1

CVE-2026-40468 (GCVE-0-2026-40468)

Tags

Sightings

Nomenclature