| Name | CVE-2026-45753 |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| symfony (PTS) | bullseye | 4.4.19+dfsg-2+deb11u6 | fixed |
| bullseye (security) | 4.4.19+dfsg-2+deb11u7 | fixed |
| bookworm | 5.4.23+dfsg-1+deb12u5 | fixed |
| bookworm (security) | 5.4.23+dfsg-1+deb12u4 | fixed |
| trixie | 6.4.21+dfsg-2+deb13u1 | vulnerable |
| sid | 7.4.12+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| symfony | source | bullseye | (not affected) | | | |
| symfony | source | bookworm | (not affected) | | | |
| symfony | source | (unstable) | 7.4.12+dfsg-1 | | | |
Notes
[bookworm] - symfony <not-affected> (Vulnerable code not present, introduced in 6.1)
[bullseye] - symfony <not-affected> (Vulnerable code not present, introduced in 6.1)
https://symfony.com/blog/cve-2026-45753-htmlsanitizer-urlattributesanitizer-omits-action-formaction-poster-cite-javascript-uri-survives-sanitization-xss