CVE-2023-4911
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
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EPSS — probability of exploitation (30 days)
81.4%
99.6th percentile
CISA KEV
Listed
Added 2023-11-21 · patch by 2023-12-12
Weakness / dates
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Published — · modified —
Timeline
- 2023-11-21 — Added to CISA KEV (actively exploited)
- 2023-12-12 — CISA patch-by deadline
Description
GNU C Library's dynamic loader ld.so contains a buffer overflow vulnerability when processing the GLIBC_TUNABLES environment variable, allowing a local attacker to execute code with elevated privileges.