Security update for python-mistune
This update for python-mistune fixes the following issues - CVE-2026-59922: quadratic-time parsing on long runs of some markers in `formatting.py` can lead to DoS (bsc#1271117). - CVE-2026-59923: `HTMLRenderer.safe_url()` does not block percent-encoded javascript URIs and allows for XSS (bsc#1271119). - CVE-2026-59924: improper processing of user-supplied include paths in `Include.parse()` can lead to path traversal and arbitrary file reads (bsc#1271121). - CVE-2026-59925: quadratic-time parsing on long runs of some emphasis pairs in `inline_parser` can lead to DoS (bsc#1271125). - CVE-2026-59926: improper escaping in `render_admonition()` can lead to atribute injection and XSS (bsc#1271127). - CVE-2026-59927: uncontrolled recursion when processing two markdown files that include each other can lead to a DoS (bsc#1271128). - CVE-2026-59928: quadratic-time parsing on long lists of repeated reference-link definitions in `block_parser` can lead to DoS (bsc#1271131). - CVE-2026-59929: HARMFUL_PROTOCOLS list misses legacy and chained schemes and allow arbitrary script execution in user agents (bsc#1271132). - CVE-2026-59930: the `toc` plugin and `TableOfContents` directive generate heading IDs with predictable values and allow for collisions with attacker-controlled `id="toc_N"` content (bsc#1271082).
Security update for python-mistune
Description
This update for python-mistune fixes the following issues - CVE-2026-59922: quadratic-time parsing on long runs of some markers in `formatting.py` can lead to DoS (bsc#1271117). - CVE-2026-59923: `HTMLRenderer.safe_url()` does not block percent-encoded javascript URIs and allows for XSS (bsc#1271119). - CVE-2026-59924: improper processing of user-supplied include paths in `Include.parse()` can lead to path traversal and arbitrary file reads (bsc#1271121). - CVE-2026-59925: quadratic-time parsing on long runs of some emphasis pairs in `inline_parser` can lead to DoS (bsc#1271125). - CVE-2026-59926: improper escaping in `render_admonition()` can lead to atribute injection and XSS (bsc#1271127). - CVE-2026-59927: uncontrolled recursion when processing two markdown files that include each other can lead to a DoS (bsc#1271128). - CVE-2026-59928: quadratic-time parsing on long lists of repeated reference-link definitions in `block_parser` can lead to DoS (bsc#1271131). - CVE-2026-59929: HARMFUL_PROTOCOLS list misses legacy and chained schemes and allow arbitrary script execution in user agents (bsc#1271132). - CVE-2026-59930: the `toc` plugin and `TableOfContents` directive generate heading IDs with predictable values and allow for collisions with attacker-controlled `id="toc_N"` content (bsc#1271082).
Affected software
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- SUSE Product Security Team
- Advisory Id
- openSUSE-SU-2026:21339-1
- Cve Count
- 10
- Additional Cves
- ["CVE-2026-59922","CVE-2026-59923","CVE-2026-59924","CVE-2026-59925","CVE-2026-59926","CVE-2026-59927","CVE-2026-59928","CVE-2026-59929","CVE-2026-59930"]
- State
- PUBLISHED
Threat ID: 6aab496c55bf5e2cf5990d1e
Added to database: 09/17/2026, 01:59:08 UTC
Last updated: 09/17/2026, 02:02:23 UTC
Views: 1
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