CVE-2024-34459

HIGH
7.5
CVSS Score
Published: May 13, 2024 at 12:00 AM UTC
Updated: October 15, 2026 at 01:17 AM UTC
2 products affected across 1 vendorLIBXML2Xmllint

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Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
PoC

Description

An issue was discovered in xmllint (from libxml2) before 2.11.8 and 2.12.x before 2.12.7. Formatting error messages with xmllint --htmlout can result in a buffer over-read in xmlHTMLPrintFileContext in xmllint.c.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.11.82.12.0 ≤ v < 2.12.7
All versions2.12.0
Affected range stops below 2.11.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.12.7, so it looks safe — our inference, not a vendor statement

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-122

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