Description
The SyncTeX parser (synctex_parser.c) shipped with TeX Live and embedded by downstream consumers such as GNOME Evince contains a heap use-after-free vulnerability that allows attackers to crash applications or potentially execute arbitrary code by supplying a malformed .synctex or .synctex.gz file. A malformed SyncTeX file can construct a ref node with a NULL parent pointer, causing the replacement routine to fail to detach the node from its sibling chain, which triggers recursive freeing of live tree nodes and leaves dangling pointers that are later accessed by the parser during document load.
Mitigation
Minimal update. May introduce new vulnerabilities or breaking changes.
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 rpm rhel7 | | - | - |
rpm rhel10 | | - | - |
rpm rhel6 | | - | - |
rpm rhel7 | | - | - |
rpm rhel6 | | - | - |
rpm rhel8 | | - | - |
rpm rhel9 | | - | - |
 debian 12 | | =2022.20220321.62855-5.1 || =2022.20220321.62855-5.1+deb12u1 || =2022.20220321.62855-5.1+deb12u2 || =2022.20220321.62855-6 || =2022.20220321.62855-7 || =2022.20220321.62855-8 || =2023.20230311.66589-1 || =2023.20230311.66589-2 || =2023.20230311.66589-3 || =2023.20230311.66589-4 || =2023.20230311.66589-5 || =2023.20230311.66589-6 || =2023.20230311.66589-7 || =2023.20230311.66589-8 || =2023.20230311.66589-9 || =2024.20240313.70630+ds-1 || =2024.20240313.70630+ds-2 || =2024.20240313.70630+ds-3 || =2024.20240313.70630+ds-4 || =2024.20240313.70630+ds-5 || =2024.20240313.70630+ds-6 || =2025.20250727.75242+ds-1 || =2025.20250727.75242+ds-2 || =2025.20250727.75242+ds-3 || =2025.20250727.75242+ds-4 || =2025.20250727.75242+ds-5 || =2025.20250727.75242+ds-5~hurd.1 || =2026.20260303.78225+ds-1 || =2026.20260303.78225+ds-2 || =2026.20260303.78225+ds-3 || =2026.20260303.78225+ds-4 || =2026.20260303.78225+ds-5 | - |
debian 14 | | =2024.20240313.70630+ds-6 || =2025.20250727.75242+ds-1 || =2025.20250727.75242+ds-2 || =2025.20250727.75242+ds-3 || =2025.20250727.75242+ds-4 || =2025.20250727.75242+ds-5 || =2025.20250727.75242+ds-5~hurd.1 || =2026.20260303.78225+ds-1 || >=0 <2026.20260303.78225+ds-2 | 2026.20260303.78225+ds-2 |
debian 13 | | =2024.20240313.70630+ds-6 || =2025.20250727.75242+ds-1 || =2025.20250727.75242+ds-2 || =2025.20250727.75242+ds-3 || =2025.20250727.75242+ds-4 || =2025.20250727.75242+ds-5 || =2025.20250727.75242+ds-5~hurd.1 || =2026.20260303.78225+ds-1 || =2026.20260303.78225+ds-2 || =2026.20260303.78225+ds-3 || =2026.20260303.78225+ds-4 || =2026.20260303.78225+ds-5 | - |
