CVE-2021-3410
A flaw was found in libcaca v0.99.beta19. A buffer overflow issue in caca_resize function in...
CVE-2021-3410 is a high vulnerability (CVSS 7.8) in Cacalabs Libcaca, published February 23, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 46th percentile. Fixed in libcaca 0.99_beta20-r0.
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-3410- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-119, CWE-190
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-3410- Weakness
- CWE-119
- Updated
- 2026-11-02
EUVDEUVD-2021-26738 No score
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.
- Record
EUVD-2021-26738- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9xcm-8x7r-552c
A flaw was found in libcaca v0.99.beta19. A buffer overflow issue in caca_resize function in...
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.
- Record
GHSA-9xcm-8x7r-552c- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-119, CWE-190
- Updated
- 2026-11-02
OSVALPINE-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.
- Record
ALPINE-CVE-2021-3410- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
OSV
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.
- Record
CVE-2021-3410- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Show 8 moreShow less
OSVDEBIAN-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.
- Record
DEBIAN-CVE-2021-3410- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2021-3410- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVMGASA-2021-0128 No score
Updated libcaca packages fix a security vulnerability
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 (CVE-2021-3410).
- Record
MGASA-2021-0128- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10927-1 No score
caca-utils-0.99.beta19.git20171003-8.3 on GA media
These are all security issues fixed in the caca-utils-0.99.beta19.git20171003-8.3 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10927-1- Updated
- 2026-11-02
OSVSUSE-SU-2022:0754-1 No score
Security update for libcaca
This update for libcaca fixes the following issues:
- CVE-2021-30499: Fixed a memory corruption issue when exporting troff sources (bsc#1184751).
- CVE-2021-30498: Fixed a memory corruption issue when exporting TGA images (bsc#1184752).
- CVE-2021-3410: Fixed an illegal WRITE memory access (bsc#1182731).
- Record
SUSE-SU-2022:0754-1- Updated
- 2026-11-02
OSVSUSE-SU-2022:3400-1 No score
Security update for libcaca
This update for libcaca fixes the following issues:
- CVE-2021-3410: Fixed overflow when multiplying large ints (bsc#1182731).
- Record
SUSE-SU-2022:3400-1- Updated
- 2026-11-02
OSVSUSE-SU-2022:3428-1 No score
Security update for libcaca
This update for libcaca fixes the following issues:
- CVE-2021-3410: Fixed overflow when multiplying large ints (bsc#1182731).
- Record
SUSE-SU-2022:3428-1- Updated
- 2026-11-02
OSVUSN-4921-1 No score
libcaca vulnerability
It was discovered that libcaca incorrectly handled certain images. An attacker could possibly use this issue to execute arbitrary code.
- Record
USN-4921-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libcacaAlpine:v3.15 |
before 0.99_beta20-r0 | 0.99_beta20-r0 |
libcacaAlpine:v3.16 |
before 0.99_beta20-r0 | 0.99_beta20-r0 |
libcacaAlpine:v3.17 |
before 0.99_beta20-r0 | 0.99_beta20-r0 |
libcacaAlpine:v3.18 |
before 0.99_beta20-r0 | 0.99_beta20-r0 |
libcacaAlpine:v3.19 |
before 0.99_beta20-r0 | 0.99_beta20-r0 |
libcacaAlpine:v3.20 |
before 0.99_beta20-r0 | 0.99_beta20-r0 |
libcacaAlpine:v3.21 |
before 0.99_beta20-r0 | 0.99_beta20-r0 |
libcacaAlpine:v3.22 |
before 0.99_beta20-r0 | 0.99_beta20-r0 |
libcacaAlpine:v3.23 |
before 0.99_beta20-r0 | 0.99_beta20-r0 |
libcacaAlpine:v3.24 |
before 0.99_beta20-r0 | 0.99_beta20-r0 |
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| Package | Affected | Fixed |
|---|---|---|
libcacaDebian:12 |
before 0.99.beta19-2.2 | 0.99.beta19-2.2 |
libcacaDebian:13 |
before 0.99.beta19-2.2 | 0.99.beta19-2.2 |
libcacaDebian:14 |
before 0.99.beta19-2.2 | 0.99.beta19-2.2 |
libcacaDebian:9 |
before 0.99.beta19-2.1~deb9u2, plus listed versions 0.99.beta19-20.99.beta19-2.1~deb9u1 |
0.99.beta19-2.1~deb9u2 |
libcacaMageia:7 |
before 0.99-0.beta19.3.1.mga7 | 0.99-0.beta19.3.1.mga7 |
libcacaMageia:8 |
before 0.99-0.beta19.5.1.mga8 | 0.99-0.beta19.5.1.mga8 |
libcacaSUSE:Linux Enterprise High Performance Computing 15-ESPOS |
before 0.99.beta19.git20171003-3.8.1 | 0.99.beta19.git20171003-3.8.1 |
libcacaSUSE:Linux Enterprise High Performance Computing 15-LTSS |
before 0.99.beta19.git20171003-3.8.1 | 0.99.beta19.git20171003-3.8.1 |
libcacaSUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS |
before 0.99.beta19.git20171003-3.8.1 | 0.99.beta19.git20171003-3.8.1 |
libcacaSUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS |
before 0.99.beta19.git20171003-3.8.1 | 0.99.beta19.git20171003-3.8.1 |
libcacaSUSE:Linux Enterprise Server 15-LTSS |
before 0.99.beta19.git20171003-3.8.1 | 0.99.beta19.git20171003-3.8.1 |
libcacaSUSE:Linux Enterprise Server 15 SP1-BCL |
before 0.99.beta19.git20171003-3.8.1 | 0.99.beta19.git20171003-3.8.1 |
libcacaSUSE:Linux Enterprise Server 15 SP1-LTSS |
before 0.99.beta19.git20171003-3.8.1 | 0.99.beta19.git20171003-3.8.1 |
libcacaSUSE:Linux Enterprise Server for SAP Applications 15 |
before 0.99.beta19.git20171003-3.8.1 | 0.99.beta19.git20171003-3.8.1 |
libcacaSUSE:Linux Enterprise Server for SAP Applications 15 SP1 |
before 0.99.beta19.git20171003-3.8.1 | 0.99.beta19.git20171003-3.8.1 |
libcacaSUSE:Enterprise Storage 6 |
before 0.99.beta19.git20171003-3.8.1 | 0.99.beta19.git20171003-3.8.1 |
libcacaSUSE:Linux Enterprise Module for Basesystem 15 SP3 |
before 0.99.beta19.git20171003-150200.11.9.1 | 0.99.beta19.git20171003-150200.11.9.1 |
libcacaSUSE:Linux Enterprise Module for Basesystem 15 SP4 |
before 0.99.beta19.git20171003-150200.11.9.1 | 0.99.beta19.git20171003-150200.11.9.1 |
libcacaopenSUSE:Leap 15.3 |
before 0.99.beta19.git20171003-150200.11.9.1 | 0.99.beta19.git20171003-150200.11.9.1 |
libcacaopenSUSE:Leap 15.4 |
before 0.99.beta19.git20171003-150200.11.9.1 | 0.99.beta19.git20171003-150200.11.9.1 |
libcacaSUSE:Linux Enterprise Software Development Kit 12 SP5 |
before 0.99.beta18-14.12.1 | 0.99.beta18-14.12.1 |
libcacaSUSE:Linux Enterprise Server 12 SP5 |
before 0.99.beta18-14.12.1 | 0.99.beta18-14.12.1 |
libcacaSUSE:Linux Enterprise Server for SAP Applications 12 SP5 |
before 0.99.beta18-14.12.1 | 0.99.beta18-14.12.1 |
libcacaUbuntu:Pro:14.04:LTS |
before 0.99.beta18-1ubuntu5.1+esm1, plus listed versions 0.99.beta18-1ubuntu20.99.beta18-1ubuntu30.99.beta18-1ubuntu40.99.beta18-1ubuntu50.99.beta18-1ubuntu5.1 |
0.99.beta18-1ubuntu5.1+esm1 |
libcacaUbuntu:16.04:LTS |
before 0.99.beta19-2ubuntu0.16.04.2, plus listed versions 0.99.beta19-2build2~gcc5.10.99.beta19-2build2~gcc5.20.99.beta19-2ubuntu0.16.04.1 |
0.99.beta19-2ubuntu0.16.04.2 |
libcacaUbuntu:18.04:LTS |
before 0.99.beta19-2ubuntu0.18.04.2, plus listed versions 0.99.beta19-2build2~gcc5.20.99.beta19-2build2~gcc5.30.99.beta19-2ubuntu0.18.04.1 |
0.99.beta19-2ubuntu0.18.04.2 |
libcacaUbuntu:20.04:LTS |
before 0.99.beta19-2.1ubuntu1.20.04.1, plus listed versions 0.99.beta19-2.10.99.beta19-2.1ubuntu1 |
0.99.beta19-2.1ubuntu1.20.04.1 |
libcacaopenSUSE:Tumbleweed |
before 0.99.beta19.git20171003-8.3 | 0.99.beta19.git20171003-8.3 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | affected, aliases, references | OSV |
| 2026-11-03 | aliases, products | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
bugzilla.redhat.com/show_bug.cgi?id=1928437
github.com/cacalabs/libcaca/issues/52
lists.debian.org/debian-lts-announce/2021/03/msg00006.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6WFGYICNTMNDNMDDUV4G2RYFB5HNJCOV
Show 26 moreShow less
nvd.nist.gov/vuln/detail/CVE-2021-3410
security.alpinelinux.org/vuln/CVE-2021-3410
security-tracker.debian.org/tracker/CVE-2021-3410
advisories.mageia.org/MGASA-2021-0128.html
bugs.mageia.org/show_bug.cgi?id=28556
debian.org/lts/security/2021/dla-2584
suse.com/support/update/announcement/2022/suse-su-20220754-1
bugzilla.suse.com/1182731
ubuntu.com/security/CVE-2021-3410
cve.org/CVERecord?id=CVE-2021-3410