How many CVEs have patched is_valid_css?

1 published CVEs changed is_valid_css in roundcube/roundcubemail, in 2 distinct patches totalling 15 changed lines, between 2026 and 2026.

What is the latest CVE that changed is_valid_css?

CVE-2026-74998 (In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, responses from the CSS (Cascading...), published 2026-08-17, changed lines 77 to 91 of program/actions/utils/modcss.php.

How does is_valid_css compare to the rest of roundcube/roundcubemail?

roundcube/roundcubemail has 59 CVEs with a located fix in total; 1 of them changed is_valid_css.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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roundcube/roundcubemail

Function

is_valid_css

Name: is_valid_css in roundcube/roundcubemail: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

program/actions/utils/modcss.php

Last patched August 17, 2026

1

CVEs

That changed this function

2

Distinct patches

Backports counted once

15

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

is_valid_css in roundcube/roundcubemail was changed by 1 published CVE fixes in 2026, in 2 distinct patches that added or removed 15 lines in total.

roundcube/roundcubemail has 59 CVEs with a located fix in total, so 2% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed is_valid_css, newest first, with the lines each fix touched.

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, responses from the CSS (Cascading...
CVE-2026-74998 · lines 77–91 · +15 −0
High · CVSS 7.2
EPSS 0.4%2026-08-17

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1runprogram/actions/utils/modcss.php2 CVEs · 3 patches2026

Other hotspots in the repository

Functions in roundcube/roundcubemail changed by the most CVE fixes.

wash_uri5 CVEs · program/lib/Roundcube/rcube_washtml.php is_local_url4 CVEs · program/lib/Roundcube/rcube_utils.php wash_attribs4 CVEs · program/lib/Roundcube/rcube_washtml.php attribute_value4 CVEs · program/lib/Roundcube/rcube_washtml.php sanitize_css_block3 CVEs · program/lib/Roundcube/rcube_utils.php is_insecure_tag2 CVEs · program/lib/Roundcube/rcube_washtml.php

All patched functions in roundcube/roundcubemail

Frequently asked questions

Common questions about CVE fixes to is_valid_css.

How many CVEs have patched is_valid_css?: 1 published CVEs changed is_valid_css in roundcube/roundcubemail, in 2 distinct patches totalling 15 changed lines, between 2026 and 2026.
What is the latest CVE that changed is_valid_css?: CVE-2026-74998 (In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, responses from the CSS (Cascading...), published 2026-08-17, changed lines 77 to 91 of program/actions/utils/modcss.php.
How does is_valid_css compare to the rest of roundcube/roundcubemail?: roundcube/roundcubemail has 59 CVEs with a located fix in total; 1 of them changed is_valid_css.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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