A use-after-free vulnerability in SVG Animation has been discovered.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Fix
- Fixed in 50.0.2, 45.5.1
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Mozilla Firefox, Firefox ESR, and Thunderbird are affected. A flaw in how they handle SVG animations can corrupt memory, which could let an attacker crash the program or potentially run malicious code.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
A use-after-free vulnerability in SVG Animation has been discovered. An exploit built on this vulnerability has been discovered in the wild targeting Firefox and Tor Browser users on Windows. This vulnerability affects Firefox < 50.0.2, Firefox ESR < 45.5.1, and Thunderbird < 45.5.1.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- Mozilla Firefox
From unspecified · fixed in 50.0.2
- Mozilla Firefox ESR
From unspecified · fixed in 45.5.1
- Mozilla Thunderbird
From unspecified · fixed in 45.5.1