The counterToCSSValue function in CSSComputedStyleDeclaration.cpp in the Cascading Style Sheets (CSS) implementation in WebCore in WebKit…

Description

The counterToCSSValue function in CSSComputedStyleDeclaration.cpp in the Cascading Style Sheets (CSS) implementation in WebCore in WebKit before r82222, as used in Google Chrome before 11.0.696.43 and other products, does not properly handle access to the (1) counterIncrement and (2) counterReset attributes of CSSStyleDeclaration data provided by a getComputedStyle method call, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted JavaScript code.

Scores

EPSS (exploitation in 30 days)

1.6% · top 24% of all CVEs (2 Nov 2026)

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a
• CWE-476 (opens in a new tab)

Affected products

• n/a

  • affected n/a

References (6)

• https://bugs.webkit.org/show_bug.cgi?id=57266 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://code.google.com/p/chromium/issues/detail?id=77665 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://trac.webkit.org/changeset/82222 (opens in a new tab)x_refsource_CONFIRMx_transferred
• oval:org.mitre.oval:def:14365 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• http://googlechromereleases.blogspot.com/2011/04/beta-channel-update_12.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• google-countertocssvalue-dos(66818) (opens in a new tab)vdb-entryx_refsource_XFx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Record last updated 6 Aug 2024, 22:37 UTC.