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Vulnerability details: VCID-9ewc-ttxk-eufx
Vulnerability ID VCID-9ewc-ttxk-eufx
Aliases CVE-2021-29390
Summary Out-of-bounds Write libjpeg-turbo version 2.0.90 is vulnerable to a heap-buffer-overflow vulnerability in decompress_smooth_data in jdcoefct.c.
Status Published
Exploitability 0.5
Weighted Severity 6.4
Risk 3.2
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-787 Out-of-bounds Write
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-125 Out-of-bounds Read
System Score Found at
cvssv3 7.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-29390.json
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-29390
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-29390
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-29390
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-29390
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-29390
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-29390
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-29390
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-29390
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-29390
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=1943797
ssvc Track https://github.com/libjpeg-turbo/libjpeg-turbo/blob/4e52b66f342a803d3b8099b79607e3158d3a241c/jdcoefct.c#L595
ssvc Track https://github.com/libjpeg-turbo/libjpeg-turbo/commits/main/jdcoefct.c
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27NR3KG553CG6LGPMP6SHWEVHTYPL6RC/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-29390.json
https://api.first.org/data/v1/epss?cve=CVE-2021-29390
https://bugzilla.redhat.com/show_bug.cgi?id=1943797
2235521 https://bugzilla.redhat.com/show_bug.cgi?id=2235521
27NR3KG553CG6LGPMP6SHWEVHTYPL6RC https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27NR3KG553CG6LGPMP6SHWEVHTYPL6RC/
6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/
CVE-2021-29390 https://nvd.nist.gov/vuln/detail/CVE-2021-29390
jdcoefct.c https://github.com/libjpeg-turbo/libjpeg-turbo/commits/main/jdcoefct.c
jdcoefct.c#L595 https://github.com/libjpeg-turbo/libjpeg-turbo/blob/4e52b66f342a803d3b8099b79607e3158d3a241c/jdcoefct.c#L595
KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/
RHSA-2024:2295 https://access.redhat.com/errata/RHSA-2024:2295
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-29390.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-04T16:08:32Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=1943797
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-04T16:08:32Z/ Found at https://github.com/libjpeg-turbo/libjpeg-turbo/blob/4e52b66f342a803d3b8099b79607e3158d3a241c/jdcoefct.c#L595
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-04T16:08:32Z/ Found at https://github.com/libjpeg-turbo/libjpeg-turbo/commits/main/jdcoefct.c
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-04T16:08:32Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27NR3KG553CG6LGPMP6SHWEVHTYPL6RC/
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-04T16:08:32Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-04T16:08:32Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/
Exploit Prediction Scoring System (EPSS)
Percentile 0.20348
EPSS Score 0.00066
Published At April 13, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:51:43.447809+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/conan/libjpeg-turbo/CVE-2021-29390.yml 38.0.0