CVE-2024-55549

HIGHNVD 7.87.8—Trending — 5 sources updated this weekElevated

7.8

xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result prefixes.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 28.0%
KEV: Not listed

Published

March 14, 2025

Last Modified

November 3, 2025

References (2)

cve@mitrehttps://gitlab.gnome.org/GNOME/libxslt/-/issues/127
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/03/msg00015.html

Vendor Advisories for CVE-2024-55549(7)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(21)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	xsltproc (1.1.39-0exp1ubuntu1.1) @ oracular	2026-05-30	ubuntu
ubuntu	xsltproc (1.1.28-2.1ubuntu0.3+esm3) @ xenial	2026-05-30	ubuntu
redhat	rhcos-412.86.202505281830-0	2025-06-05	redhat
redhat	rhcos-414.92.202505141057-0	2025-05-21	redhat
redhat	rhcos-413.92.202505061702-0	2025-05-15	redhat
redhat	rhcos-416.94.202505051351-0	2025-05-15	redhat
redhat	libxslt-0:1.1.34-13.el9_6	2025-05-13	redhat
redhat	libxslt-0:1.1.39-7.el10_0	2025-05-13	redhat
redhat	rhcos-418.94.202504291430-0	2025-05-09	redhat
redhat	rhcos-417.94.202504291434-0	2025-05-09	redhat
redhat	rhcos-415.92.202504282058-0	2025-05-08	redhat
redhat	libxslt-0:1.1.34-9.el9_5.2	2025-04-23	redhat
redhat	libxslt-0:1.1.28-9.el7_9	2025-04-23	redhat
redhat	libxslt-0:1.1.32-6.el8_2	2025-04-07	redhat
redhat	libxslt-0:1.1.32-8.el8_4	2025-04-07	redhat
redhat	libxslt-0:1.1.32-8.el8_8	2025-04-07	redhat
redhat	libxslt-0:1.1.34-11.el9_0	2025-04-07	redhat
redhat	libxslt-0:1.1.34-11.el9_2	2025-04-07	redhat
redhat	libxslt-0:1.1.32-6.1.el8_10	2025-04-07	redhat
redhat	libxslt-0:1.1.32-8.el8_6	2025-04-07	redhat
redhat	libxslt-0:1.1.34-13.el9_4	2025-04-07	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-416Use After Free

Additional Vendor Advisories

(16)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 14× in last 7d / 14× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-30 09:34 UTCEG score recompute
2026-05-30 09:34 UTCVendor advisory
2026-05-30 09:34 UTCGHSA enrichment
2026-05-30 08:44 UTCOSV refresh
2026-05-29 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2024-55549?

CVE-2024-55549 is a high vulnerability published on March 14, 2025. xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result prefixes.

When was CVE-2024-55549 disclosed?

CVE-2024-55549 was first published in the National Vulnerability Database on March 14, 2025, with the most recent update on November 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-55549 actively exploited?

CVE-2024-55549 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 28.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-55549?

CVE-2024-55549 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2024-55549?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-55549, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2024-55549

Published

Last Modified

References (2)

Vendor Advisories for CVE-2024-55549(7)

Patch Availability(21)

Weakness Classification(1)

Additional Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-55549?

Same vendor

Same CWE

CVE-2024-55549

📅 Published

🔄 Last Modified

🔗 References (2)

📣 Vendor Advisories for CVE-2024-55549(7)

Patch Availability(21)

Weakness Classification(1)

Additional Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-55549?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

Same CWE

Published

Last Modified

References (2)

Vendor Advisories for CVE-2024-55549(7)

Frequently asked(5)

Related CVEs(same vendor + same CWE)