CVE-2022-27943

MEDIUMNVD 5.55.5—

5.5

libiberty/rust-demangle.c in GNU GCC 11.2 allows stack consumption in demangle_const, as demonstrated by nm-new.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 14.9%
KEV: Not listed

Published

March 26, 2022

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://gcc.gnu.org/bugzilla/show_bug.cgi?id=105039
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG/
cve@mitrehttps://sourceware.org/bugzilla/show_bug.cgi?id=28995
af854a3a-2127-422b-91ae-364da2661108https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105039
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H424YXGW7OKXS2NCAP35OP6Y4P4AW6VG/
af854a3a-2127-422b-91ae-364da2661108https://sourceware.org/bugzilla/show_bug.cgi?id=28995

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
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2026-06-01 13:50 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
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2026-05-28 13:43 UTCepss_batch
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2026-05-27 13:39 UTCepss_batch
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2026-05-26 13:43 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2022-27943?

CVE-2022-27943 is a medium vulnerability published on March 26, 2022. libiberty/rust-demangle.c in GNU GCC 11.2 allows stack consumption in demangle_const, as demonstrated by nm-new.

When was CVE-2022-27943 disclosed?

CVE-2022-27943 was first published in the National Vulnerability Database on March 26, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-27943 actively exploited?

CVE-2022-27943 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-27943?

CVE-2022-27943 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2022-27943?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-27943, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-27943

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-27943?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (6)

Frequently asked(5)

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