CVE-2010-4052

unknowncovered by 1 sourcefirst seen 2026-08-06

CSIRTS triage

vendor: GNU product: glibc Denial of serviceaffected: 2.11.3 and prior, 2.12.x through 2.12.2

What: Stack consumption vulnerability in regcomp allows denial of service via regular expressions with adjacent repetitions.
Who is affected: Applications using glibc regex functions on affected glibc versions.
Urgency: Moderate; exploitation requires specific malicious regex patterns but causes resource exhaustion.
Action: Upgrade glibc to version 2.13 or later.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation likely imminentEPSS puts this in the most-targeted tier (51.3% 30-day exploitation probability). Prioritize alongside KEV items. Riskier than 99% of all EPSS-scored CVEs.

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