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No exploitation reportedFix available

CVE-2022-27943

No exploitation reported by the sources we read.

  • Published2022-03-26
  • WeaknessCWE-674

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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

Timeline

dates in UTC
  1. 2022-03-2613:15CVE publishedNVD

Versions per branch

NVD
Fedoraproject fedora
BranchAffectedFixed in
36.x= 36no fix published
Gnu gcc
BranchAffectedFixed in
11.2= 11.2no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • binutilsSUSE:OpenStack Cloud Crowbar 9all versions · fixed in 2.39-9.50.1
  • binutilsSUSE:OpenStack Cloud 9all versions · fixed in 2.39-9.50.1
  • binutilsSUSE:Manager Server 4.1all versions · fixed in 2.39-150100.7.40.1
  • binutilsSUSE:Manager Retail Branch Server 4.1all versions · fixed in 2.39-150100.7.40.1
  • binutilsSUSE:Manager Proxy 4.1all versions · fixed in 2.39-150100.7.40.1
  • binutilsSUSE:Linux Enterprise Software Development Kit 12 SP5all versions · fixed in 2.39-9.50.1and 2 other packages
  • binutilsSUSE:Linux Enterprise Server for SAP Applications 15 SP2all versions · fixed in 2.39-150100.7.40.1
  • binutilsSUSE:Linux Enterprise Server for SAP Applications 15 SP1all versions · fixed in 2.39-150100.7.40.1

42 more package ranges on OSV.dev

Vendor advisories

  • CVE-2022-27943 Red Hat Product Security169 known affected

    binutils: libiberty/rust-demangle.c in GNU GCC 11.2 allows stack exhaustion in demangle_const

    compat-gcc-34-c++ as a component of Red Hat Enterprise Linux 6 · compat-gcc-34-g77 as a component of Red Hat Enterprise Linux 6 · compat-gcc-34.src as a component of Red Hat Enterprise Linux 6 · +166 more

  • ICSA-23-348-10 CISA5 known affected

    Siemens SIMATIC S7-1500

    SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) · SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) · SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) · +2 more

  • SSA-398330 Siemens ProductCERT5 known affected

    SSA-398330: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP >= V3.1.0 and < V3.1.5

    SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) >= V3.1.0 < V3.1.5 · SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) >= V3.1.0 < V3.1.5 · SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) >= V3.1.0 < V3.1.5 · +2 more

Full record on NVD

Fix

  1. Vendor fix CISA ICSA-23-348-10 · 5 productsUpdate to V3.1.5 or later version
  2. Vendor fix Siemens ProductCERT SSA-398330 · 1 productUpdate to V3.1.5 or later version
  3. Mitigation from the vendor CISA ICSA-23-348-10 · 5 productsOnly build and run applications from trusted sources.
  4. No fix available, says the vendor Red Hat Product Security CVE-2022-27943 · 90 productsFix deferred
  5. No fix planned, says the vendor Red Hat Product Security CVE-2022-27943 · 79 productsOut of support scope

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
2022-03-26
Last Modified
2026-10-14
NVD status
Modified
GitHub Advisory
GHSA-xcrq-6rjw-5chw

Frequently asked questions

What is CVE-2022-27943?

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

Is CVE-2022-27943 actively exploited?

Active exploitation of CVE-2022-27943 has not been confirmed. Its EPSS score was 1.0% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

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

CVE-2022-27943 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

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