7.8

CVE-2021-37322: gnu binutils Use After Free

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2021-37322DEBIAN-CVE-2021-37322CGA-4c9v-x986-496c
Published 18-11-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-37322 is a high (CVSS 7.8) Use After Free vulnerability in gnu binutils. EPSS estimates a 0.88% chance of exploitation in the next 30 days, higher than 58.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.88%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 0 · Related 2
CGA-78C8-4M74-XQHXCGA-M8CJ-MCRG-M8P3

Timeline

  1. 18-11-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

GCC c++filt v2.26 was discovered to contain a use-after-free vulnerability via the component cplus-dem.c.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

0.88%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

0.00 pp

From 0.88% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.88%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gcc.gnu.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Gnu2 products
Chainguard1 product
  • gcc-6All versions (No fix recorded)
Debian1 product
  • binutils< 2.27.51.20161102-1
Ubuntu1 product
  • binutilsAll versions (No fix recorded) | < 2.26.1-1ubuntu1~16.04.8+esm1
Wolfi1 product
  • gcc-6All versions (No fix recorded)

5 vendors · 6 products

References

5 links