Description
The _rsvg_css_normalize_font_size function in librsvg 2.40.2 allows context-dependent attackers to cause a denial of service (stack consumption and application crash) via circular definitions in an SVG document.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | librsvg | 2.40.12-1 | — |
| Debian 13 | librsvg | 2.40.12-1 | — |
| Debian 12 | librsvg | 2.40.12-1 | — |
| Debian 8 | librsvg | 2.40.5-1+deb8u2 | DSA-3584-1 |
| Debian 7 | librsvg | 2.36.1-2+deb7u2 | DLA-477-1 |
Advisories 2
- DLA-477-1 librsvg - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3584-1 librsvg - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- [oss-security] 20160428 CVE requests: DoS in librsvg parsing SVGs with circular definitions mailing-list
- https://git.gnome.org/browse/librsvg/commit/?id=d1c9191949747f6dcfd207831d15dd4ba00e31f2
- [oss-security] 20160430 Re: CVE requests: DoS in librsvg parsing SVGs with circular definitions mailing-list
- DSA-3584 vendor-advisory
- openSUSE-SU-2016:1333 vendor-advisory
- [oss-security] 20160428 Re: CVE requests: DoS in librsvg parsing SVGs with circular definitions mailing-list
- [oss-security] 20160511 Re: Re: CVE requests: DoS in librsvg parsing SVGs with circular definitions mailing-list