CVE-2026-52584: jpeg-xl Stack-based Buffer Overflow
CVSS: 7.1v3.1HighAwaiting analysis
AliasesUBUNTU-CVE-2026-52584DEBIAN-CVE-2026-52584openSUSE-SU-2026:11537-1
Published 17-07-2026Last modified 20-07-2026
Vulnerability summary
CVE-2026-52584 is a high (CVSS 7.1) Stack-based Buffer Overflow vulnerability in jpeg-xl. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 1.5% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (CVE.org)EPSS score
0.12%
0%100%
Low · -0.05 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 17-07-2026PublishedVulnerability first disclosed.
- 20-07-2026Last modifiedVulnerability information updated.
Description
Buffer Overflow vulnerability in libjxl v.0.11.2 and before allows a local attacker to obtain sensitive information via the DecodeImageAPNG function
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- NVDNIST7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.12%
Chance of exploitation in the next 30 days
Percentile
2%
Versus all other CVEs
30-day change
-0.05 pp
From 0.16% on 18-09-2026
18-09-202618-10-2026
EPSS score0.12%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- jpeg-xlAll versions (No fix recorded) | < 0.11.2-0.1~deb13u3 | < 0.11.2-5.1
Opensuse1 product
- libjxl&distro=openSUSE Tumbleweed< 0.12.0-1.1
Ubuntu1 product
- jpeg-xlAll versions (No fix recorded)
3 vendors · 3 products
