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No exploitation reportedFix available

CVE-2021-3410

No exploitation reported by the sources we read.

  • Published2021-02-23
  • WeaknessCWE-119 · CWE-190

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

A flaw was found in libcaca v0.99.beta19. A buffer overflow issue in caca_resize function in libcaca/caca/canvas.c may lead to local execution of arbitrary code in the user context.

Timeline

dates in UTC
  1. 2021-02-2323:15CVE publishedNVD

Versions per branch

NVD
Fedoraproject fedora
BranchAffectedFixed in
34.x= 34no fix published
35.x= 35no fix published
Debian debian linux
BranchAffectedFixed in
9.0= 9.0no fix published
Libcaca project libcaca
BranchAffectedFixed in
0.99= 0.99no 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

  • libcacaUbuntu:Pro:14.04:LTSall versions · fixed in 0.99.beta18-1ubuntu5.1+esm1
  • libcacaUbuntu:20.04:LTSall versions · fixed in 0.99.beta19-2.1ubuntu1.20.04.1
  • libcacaUbuntu:18.04:LTSall versions · fixed in 0.99.beta19-2ubuntu0.18.04.2
  • libcacaUbuntu:16.04:LTSall versions · fixed in 0.99.beta19-2ubuntu0.16.04.2
  • libcacaSUSE:Linux Enterprise Software Development Kit 12 SP5all versions · fixed in 0.99.beta18-14.12.1
  • libcacaSUSE:Linux Enterprise Server for SAP Applications 15 SP1all versions · fixed in 0.99.beta19.git20171003-3.8.1
  • libcacaSUSE:Linux Enterprise Server for SAP Applications 15all versions · fixed in 0.99.beta19.git20171003-3.8.1
  • libcacaSUSE:Linux Enterprise Server for SAP Applications 12 SP5all versions · fixed in 0.99.beta18-14.12.1

31 more package ranges on OSV.dev

Vendor advisories

  • CVE-2021-3410 Red Hat Product Security

    libcaca: Illegal write memory access in caca_resize function in caca/canvas.c

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

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

Sources

  • NVDCVSS 3.17.8read 2026-10-23
  • NVDCVSS 2.04.6read 2026-10-23
  • CNAweakness (CWE)CWE-119known since 2026-10-23
  • NVDweakness (CWE)CWE-190read 2026-10-23
  • FIRST EPSSEPSS score0.6 %2026-11-08
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2021-02-23
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-9xcm-8x7r-552c

Frequently asked questions

What is CVE-2021-3410?

A flaw was found in libcaca v0.99.beta19. A buffer overflow issue in caca_resize function in libcaca/caca/canvas.c may lead to local execution of arbitrary code in the user context.

Is CVE-2021-3410 actively exploited?

Active exploitation of CVE-2021-3410 has not been confirmed. Its EPSS score was 0.6% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-3410?

CVE-2021-3410 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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