CVE-2026-96889
Librsvg: use-after-free when xml includes have duplicated entities
02 Description
Librsvg: use-after-free when xml includes have duplicated entities
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.52% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 44.4% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-29.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-09-23 19:40Z1 MO AGO
- Last updated
- 2026-10-29 12:16Z1 HR AGO
- Reserved
- 2026-09-23
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.8)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416Use After FreeVariant
- Data version
- 5.2
- Document digest
- 0d6a9802b8270abbe9640654e4732c74955eba83185dbf7d1b180a56eb918267
05 Affected products
06 References
- access.redhat.comRHSA-2026:86331https://access.redhat.com/errata/RHSA-2026:86331
- access.redhat.comRHSA-2026:86841https://access.redhat.com/errata/RHSA-2026:86841
- access.redhat.comRHSA-2026:86842https://access.redhat.com/errata/RHSA-2026:86842
- access.redhat.comRHSA-2026:86921https://access.redhat.com/errata/RHSA-2026:86921
- access.redhat.comRHSA-2026:92336https://access.redhat.com/errata/RHSA-2026:92336
- access.redhat.comRHSA-2026:92353https://access.redhat.com/errata/RHSA-2026:92353
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-96889
- bugzilla.redhat.comRHBZ#2539279https://bugzilla.redhat.com/show_bug.cgi?id=2539279
- crates.iohttps://crates.io/crates/librsvg
- gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/librsvg/-/work_items/1241
- rustsec.orghttps://rustsec.org/advisories/RUSTSEC-2026-0305.html
07 Fixed in
AlmaLinux 8
- librsvg2 Fixed in 2.42.7-6.el8_10
- librsvg2-devel Fixed in 2.42.7-6.el8_10
- librsvg2-tools Fixed in 2.42.7-6.el8_10
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
AlmaLinux 9
- librsvg2 Fixed in 2.50.7-3.el9_8.1
- librsvg2-devel Fixed in 2.50.7-3.el9_8.1
- librsvg2-tools Fixed in 2.50.7-3.el9_8.1
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
AlmaLinux 10
- glycin-loaders Fixed in 1.0.1-1.el10_2.2
- librsvg2 Fixed in 2.57.1-9.el10_2.10
- librsvg2-devel Fixed in 2.57.1-9.el10_2.10
- librsvg2-tools Fixed in 2.57.1-9.el10_2.10
- rsvg-pixbuf-loader Fixed in 2.57.1-9.el10_2.10
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- librsvg2 Fixed in 2.42.7-6.el8_10
- librsvg2-devel Fixed in 2.42.7-6.el8_10
- librsvg2-tools Fixed in 2.42.7-6.el8_10
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 9
- librsvg2 Fixed in 2.50.7-3.el9_8.1
- librsvg2-devel Fixed in 2.50.7-3.el9_8.1
- librsvg2-tools Fixed in 2.50.7-3.el9_8.1
Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 10
- glycin-loaders Fixed in 1.0.1-1.el10_2.2
- librsvg2 Fixed in 2.57.1-9.el10_2.10
- librsvg2-devel Fixed in 2.57.1-9.el10_2.10
- librsvg2-tools Fixed in 2.57.1-9.el10_2.10
- rsvg-pixbuf-loader Fixed in 2.57.1-9.el10_2.10
Derived from AlmaLinux 10. Partial coverage: only packages taken from AlmaLinux 10 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- librsvg No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- librsvg Fixed in 2.60.0+dfsg-1+deb13u1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- librsvg Fixed in 2.63.2+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- librsvg Fixed in 2.58.0+dfsg-1ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.04 LTS
- librsvg Fixed in 2.61.3+dfsg-3ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.