Read the docs
TI-2026-16915 Aliases CVE-2026-20889GHSA-9m8r-gj3p-r7rw

Integer overflow in LibRaw

Priority MEDIUM 50CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 9 fixed, 3 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.

Summary

A heap-based buffer overflow vulnerability exists in the x3f_thumb_loader functionality of LibRaw Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00836 57th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Partial Red Hat: 4 advisoriesRed Hat: 9 fixed, 3 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
LibRawLibRawCommit d20315b—No fix listedCNA
  • LibRaw VendorLibRaw Affected Commit d20315b Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:libraw:libraw:0.22.0:*:*:*:*:*:*:*0.22.0VulnerableLibRaw
  • cpe:2.3:a:libraw:libraw:0.22.0:*:*:*:*:*:*:* Versions 0.22.0 Vulnerable ·LibRaw

Remediation

Red Hat 4 advisories

  • RHSA-2026:14673 Released 2026-05-07 · Red Hat rating Important
    LibRaw security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) LibRaw-0.19.5-3.el8_8.1
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) LibRaw-0.19.5-3.el8_8.1
  • RHSA-2026:14655 Released 2026-05-07 · Red Hat rating Important
    LibRaw security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) LibRaw-0.19.5-3.el8_6.1
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) LibRaw-0.19.5-3.el8_6.1
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) LibRaw-0.19.5-3.el8_6.1
  • RHSA-2026:14224 Released 2026-05-06 · Red Hat rating Important
    LibRaw security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) LibRaw-0.19.5-2.el8_4.1
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) LibRaw-0.19.5-2.el8_4.1
Show 1 more Red Hat advisories
  • RHSA-2026:13284 Released 2026-05-04 · Red Hat rating Important
    LibRaw security update
    • Red Hat Enterprise Linux AppStream (v. 8) LibRaw-0.19.5-6.el8_10
    • Red Hat Enterprise Linux CRB (v. 8) LibRaw-devel-0.19.5-6.el8_10

Vendor assessments

Red Hat

Red Hat rating: Important. 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 8AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2026:13284
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2026:14224
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2026:14655
Red Hat Enterprise Linux AppStream E4S (v.8.6)Fixed RHSA-2026:14655
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2026:14673
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Fixed RHSA-2026:14224
Red Hat Enterprise Linux AppStream TUS (v.8.6)Fixed RHSA-2026:14655
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2026:14673
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2026:13284
Not affected: 1 product
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-20889
  2. 2026-10-03 Alias added: GHSA-9m8r-gj3p-r7rw

References

Exploit 2

  • TI-2026-04674 LibRaw TIFF/NEF decoders_libraw.cpp nikon_load_padded_packed_raw out-of-bounds CVSS 4.0MEDIUM 6.9
  • TI-2020-14361 Buffer Overflow vulnerability in LibRaw::stretch() function in libraw\src\postprocessing\aspect_ratio.cpp. CVSS 3.1MEDIUM 6.5
  • TI-2026-04650 LibRaw JPEG DHT losslessjpeg.cpp initval out-of-bounds write CVSS 4.0MEDIUM 5.3
  • TI-2015-06888 The phase_one_correct function in Libraw before 0.17.1 allows attackers to cause memory… CVSS 3.1CRITICAL 9.8
  • TI-2026-16934 A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality… CVSS 3.1CRITICAL 9.8
  • TI-2015-06887 Array index error in smal_decode_segment function in LibRaw before 0.17.1 allows… CVSS 3.1CRITICAL 9.8
See all 62 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences