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TI-2021-10123 Aliases CVE-2021-29390GHSA-3f9q-r2pw-87vm

libjpeg-turbo version 2.0.90 has a heap-based buffer over-read (2 bytes) in decompress_smooth_data in jdcoefct.c.

Priority MEDIUM 64CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · High
Fix status
Partial Red Hat: 2 fixed, 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

libjpeg-turbo version 2.0.90 has a heap-based buffer over-read (2 bytes) in decompress_smooth_data in jdcoefct.c.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00822 57th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 2 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:libjpeg-turbo:libjpeg-turbo:2.0.90:*:*:*:*:*:*:*2.0.90VulnerableLibjpeg-turbo
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*37VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*38VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*39VulnerableFedoraproject
  • cpe:2.3:a:libjpeg-turbo:libjpeg-turbo:2.0.90:*:*:*:*:*:*:* Versions 2.0.90 Vulnerable ·Libjpeg-turbo
  • cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* Versions 39 Vulnerable ·Fedoraproject

Remediation

Red Hat 1 advisory

  • RHSA-2024:2295 Released 2024-04-30 · Red Hat rating Moderate
    libjpeg-turbo security update
    • Red Hat Enterprise Linux AppStream (v. 9) libjpeg-turbo-2.0.90-7.el9, libjpeg-turbo-devel-2.0.90-7.el9, libjpeg-turbo-utils-2.0.90-7.el9
    • Red Hat Enterprise Linux CRB (v. 9) turbojpeg-2.0.90-7.el9, turbojpeg-devel-2.0.90-7.el9

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:2295
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2024:2295
Not affected: 1 product
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-29390
  2. 2026-10-03 Alias added: GHSA-3f9q-r2pw-87vm

References

Sources