CVE-2026-57159: fallo de gravedad alta en pjsip pjproject
PJSIP: SDP parser out-of-bounds write in remote payload-type map maintenance
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 8.4epss 0.6%
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 673b978, a remote out-of-bounds read and write can occur in the SDP negotiator when the remote payload-type map maintenance feature is enabled. assign_pt_and_update_map() in pjmedia/src/pjmedia/sdp_neg.c uses payload-type numbers taken from a remote SDP offer or answer to index fixed-size internal tables without sufficient bounds validation, so a crafted remote SDP can cause memory access outside those tables. The practical impact is memory corruption and denial of service; code execution is not demonstrated. This path is only reached when PJMEDIA_SDP_NEG_MAINTAIN_REMOTE_PT_MAP is enabled. The default is disabled, so default builds are not affected; the feature is an interoperability option that integrating products may enable. This issue has been patched via commit 673b978.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
Productos afectados
pjsip · pjprojectCVEs relacionadas — pjsip pjproject
En el mismo producto, de las más peligrosas a las menos.
CVE-2021-37706HIGHPotential integer underflow upon receiving STUN message in PJSIPEPSS 4.9%CVE-2022-21723CRITICALOut-of-bounds read in multipart parsing in PJSIPEPSS 4.4%CVE-2022-23608HIGHUse after free in PJSIPEPSS 4.0%CVE-2021-43845HIGHPrevent out-of-bounds read in PJSIPEPSS 3.9%CVE-2022-24764HIGHStack buffer overflow in pjprojectEPSS 2.4%CVE-2022-21722CRITICALPotential out-of-bound read during RTP/RTCP parsing in PJSIPEPSS 2.3%