[UPDATE] [medium] libxml2: Vulnerability allows information disclosure
A remote, anonymous attacker can exploit a vulnerability in libxml2 to disclose information.
CSIRTS triage
- What
- A vulnerability in libxml2 allows a remote attacker to disclose information.
- Who is affected
- Remote, anonymous attackers targeting libxml2 installations.
- Urgency
- Remediation is important due to the potential for information disclosure, though exploitation is not currently observed.
- Action
- Update to the latest version of libxml2 to mitigate the vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-1159
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Moderate exploitation riskCVE-2024-344592.3% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 81% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2024-34459 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for libxml2
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- low[UPDATE] [low] libxml2: Vulnerability allows Denial of Servicecert-bund · 2026-07-09
- medium[UPDATE] [medium] libxml2: Vulnerability allows denial of servicecert-bund · 2026-07-08
- medium[UPDATE] [medium] libxml2 (exsltDynMapFunction): Vulnerability allows denial of servicecert-bund · 2026-07-02
- highCVE-2026-11979: libxml2 is vulnerable to multiple stack-based buffer overflows in the xmlcatalog utility when …nvd · 2026-06-29
- unknownCVE-2026-11979: Stack-Based Buffer Overflow in libxml2msrc · 2026-06-09
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