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Fencer Vulns
medium 6.5

CVE-2021-32436 json

An out-of-bounds read in the function write_title() in subs.c of abcm2ps v8.14.11 allows remote attackers to cause a Denial of Service (DoS…

published 2022-03-10 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-19290

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

An out-of-bounds read in the function write_title() in subs.c of abcm2ps v8.14.11 allows remote attackers to cause a Denial of Service (DoS) via unspecified vectors.

Patch / fix

  • abcm2ps Debian 14, Debian 13, Debian 12 8.14.13-1

debian advisories DEBIAN-CVE-2021-32436

  • abcm2ps Ubuntu 18.04 LTS 7.8.9-1+deb9u1build0.18.04.1
  • abcm2ps Ubuntu Pro 16.04 LTS 7.8.9-1ubuntu0.16.04.1~esm1
  • abcm2ps Ubuntu Pro 20.04 LTS 8.14.6-0.1ubuntu0.1~esm1
  • abcm2ps Ubuntu Pro 22.04 LTS 8.14.11-0.1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2021-32436

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • abcm2ps Package Hub 15 SP3, openSUSE Leap 15.3 8.14.13-bp153.2.3.1

opensuse advisories openSUSE-SU-2022:0100-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-32436 updated cvss 6.3

abcm2ps: multiple security vulnerabilities

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.67% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/leesavide/abcm2ps/issues/85 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.